25427458264 has 32 divisors (see below), whose sum is σ = 51371147520. Its totient is φ = 11729523456.

The previous prime is 25427458247. The next prime is 25427458283. The reversal of 25427458264 is 46285472452.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135049 + ... + 262855.

It is an arithmetic number, because the mean of its divisors is an integer number (1605348360).

Almost surely, 2^25427458264 is an apocalyptic number.

It is an amenable number.

25427458264 is an abundant number, since it is smaller than the sum of its proper divisors (25943689256).

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

25427458264 is a wasteful number, since it uses less digits than its factorization.

25427458264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129739 (or 129735 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 49.

The spelling of 25427458264 in words is "twenty-five billion, four hundred twenty-seven million, four hundred fifty-eight thousand, two hundred sixty-four".