25302564972 has 48 divisors (see below), whose sum is σ = 65624497120. Its totient is φ = 8430941376.

The previous prime is 25302564953. The next prime is 25302565019. The reversal of 25302564972 is 27946520352.

25302564972 is a `hidden beast` number, since 2 + 530 + 2 + 5 + 6 + 49 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245358 + ... + 332874.

Almost surely, 2^25302564972 is an apocalyptic number.

It is an amenable number.

25302564972 is an abundant number, since it is smaller than the sum of its proper divisors (40321932148).

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

25302564972 is a wasteful number, since it uses less digits than its factorization.

25302564972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90207 (or 90199 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 25302564972 in words is "twenty-five billion, three hundred two million, five hundred sixty-four thousand, nine hundred seventy-two".