President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE on Wednesday said Democratic presidential candidate Michael Bloomberg Michael BloombergTop Democratic super PAC launches Florida ad blitz after Bloomberg donation The Hill's 12:30 Report - Presented by Facebook - Latest with the COVID-19 relief bill negotiations The Memo: 2020 is all about winning Florida MORE is “wasting his money” by pouring hundreds of millions of dollars into ads targeting the president.

Trump downplayed the political impact of the spending spree in an interview with Fox Business Network, though he has swiped at Bloomberg repeatedly in recent weeks in an indication the former New York City mayor has held his attention.

“Right now, it doesn’t have any impact. He’s wasting his money,” Trump said Wednesday from Davos, Switzerland. “He’s not going to win because he can’t. He’s a terrible speaker. He can’t speak properly, and he’s not a charismatic guy.”

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Trump quipped that Bloomberg is "making a lot of my broadcaster friends wealthy."

Bloomberg, who entered the Democratic primary race later than most other candidates, is not on the ballot in early primary states. But the billionaire has flooded the airwaves with advertisements touting his record and hammering Trump.

Bloomberg has spent more than $225 million on ads since entering the race in late November, according to Advertising Analytics.

After the Bloomberg campaign announced Tuesday it had reserved 60 seconds in airtime for a Super Bowl ad, the Trump campaign responded by purchasing its own slot during the game.

Trump has tweeted multiple times about Bloomberg, complaining about his ads, which criticize the president on health care, and deriding the former mayor's spending spree as a "vanity project."

Bloomberg has vowed to continue using his deep pockets to help the Democratic nominee defeat Trump, regardless of whether he wins the nomination.