25872632564 has 48 divisors (see below), whose sum is σ = 48136636800. Its totient is φ = 12141313536.

The previous prime is 25872632561. The next prime is 25872632603. The reversal of 25872632564 is 46523627852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25872632561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3084344 + ... + 3092720.

It is an arithmetic number, because the mean of its divisors is an integer number (1002846600).

Almost surely, 2^25872632564 is an apocalyptic number.

It is an amenable number.

25872632564 is a deficient number, since it is larger than the sum of its proper divisors (22264004236).

25872632564 is a wasteful number, since it uses less digits than its factorization.

25872632564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032 (or 9030 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 25872632564 in words is "twenty-five billion, eight hundred seventy-two million, six hundred thirty-two thousand, five hundred sixty-four".