Approximately 40,000 people visit wildly popular Joel Osteen's church each week. In addition to those physically in attendance, thousands more listen to Osteen online and on the radio, and they donate, too.

Earlier in March,

from those donations.

The theft has revealed just how much the megachurch makes-- at $600,000 a week and with Osteen's book sales and more, the church makes $32 million a year,

Osteen, along with fellow celebrity Joyce Meyer,

There is a $25,000 reward for the return of the stolen $600,000.