25225529264 has 20 divisors (see below), whose sum is σ = 52634037456. Its totient is φ = 11642551872.

The previous prime is 25225529249. The next prime is 25225529293. The reversal of 25225529264 is 46292552252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60638084 + ... + 60638499.

Almost surely, 2^25225529264 is an apocalyptic number.

It is an amenable number.

25225529264 is an abundant number, since it is smaller than the sum of its proper divisors (27408508192).

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

25225529264 is a wasteful number, since it uses less digits than its factorization.

25225529264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121276604 (or 121276598 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 25225529264 in words is "twenty-five billion, two hundred twenty-five million, five hundred twenty-nine thousand, two hundred sixty-four".