25264456938 has 72 divisors (see below), whose sum is σ = 64307433060. Its totient is φ = 7146921600.

The previous prime is 25264456913. The next prime is 25264456991. The reversal of 25264456938 is 83965446252.

25264456938 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 44 + 569 + 38 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24826098969 + 438357969 = 157563^2 + 20937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52723 + ... + 230886.

Almost surely, 2^25264456938 is an apocalyptic number.

25264456938 is an abundant number, since it is smaller than the sum of its proper divisors (39042976122).

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

25264456938 is a wasteful number, since it uses less digits than its factorization.

25264456938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283732 (or 283722 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 25264456938 in words is "twenty-five billion, two hundred sixty-four million, four hundred fifty-six thousand, nine hundred thirty-eight".