25582634572 has 96 divisors (see below), whose sum is σ = 51427333440. Its totient is φ = 11123481600.

The previous prime is 25582634563. The next prime is 25582634611. The reversal of 25582634572 is 27543628552.

Its product of digits (4032000) is a multiple of the sum of its prime divisors (2240).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12015204 + ... + 12017332.

It is an arithmetic number, because the mean of its divisors is an integer number (535701390).

Almost surely, 2^25582634572 is an apocalyptic number.

25582634572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25582634572 is an abundant number, since it is smaller than the sum of its proper divisors (25844698868).

25582634572 is a wasteful number, since it uses less digits than its factorization.

25582634572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2240 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 49.

The spelling of 25582634572 in words is "twenty-five billion, five hundred eighty-two million, six hundred thirty-four thousand, five hundred seventy-two".