25237204992 has 520 divisors, whose sum is σ = 81112524240. Its totient is φ = 7803371520.

The previous prime is 25237204981. The next prime is 25237205011. The reversal of 25237204992 is 29940273252.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 413724642 + ... + 413724702.

Almost surely, 2^25237204992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25237204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40556262120).

25237204992 is an abundant number, since it is smaller than the sum of its proper divisors (55875319248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25237204992 is an equidigital number, since it uses as much as digits as its factorization.

25237204992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 25237204992 in words is "twenty-five billion, two hundred thirty-seven million, two hundred four thousand, nine hundred ninety-two".