25264013928 has 16 divisors (see below), whose sum is σ = 63160034880. Its totient is φ = 8421337968.

The previous prime is 25264013927. The next prime is 25264014019. The reversal of 25264013928 is 82931046252.

It is a self number, because there is not a number n which added to its sum of digits gives 25264013928.

It is not an unprimeable number, because it can be changed into a prime (25264013927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526333600 + ... + 526333647.

It is an arithmetic number, because the mean of its divisors is an integer number (3947502180).

Almost surely, 2^25264013928 is an apocalyptic number.

It is an amenable number.

25264013928 is an abundant number, since it is smaller than the sum of its proper divisors (37896020952).

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

25264013928 is a wasteful number, since it uses less digits than its factorization.

25264013928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052667256 (or 1052667252 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 25264013928 in words is "twenty-five billion, two hundred sixty-four million, thirteen thousand, nine hundred twenty-eight".