It's a good problem to have ... but Dana White says family members are coming out of the woodwork with their hands out after the UFC sold for $4 BILLION ... so he's ignoring their calls!
White was on 'Kimmel' Thursday night -- and was asked how his life has changed now that he's insanely rich (Jimmy estimates he made $360 mil off the deal).
We're guessing Dana was joking about the family -- but says he had a real Howard Hughes moment and locked himself in a hotel room after the deal closed.
He's definitely in a better place now ... and says when it comes to being super wealthy -- "it doesn't suck."
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