25636044056 has 16 divisors (see below), whose sum is σ = 54934380240. Its totient is φ = 10986876000.

The previous prime is 25636044001. The next prime is 25636044067. The reversal of 25636044056 is 65044063652.

It is a happy number.

It is a super-2 number, since 2×25636044056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228893195 + ... + 228893306.

It is an arithmetic number, because the mean of its divisors is an integer number (3433398765).

Almost surely, 2^25636044056 is an apocalyptic number.

It is an amenable number.

25636044056 is an abundant number, since it is smaller than the sum of its proper divisors (29298336184).

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

25636044056 is a wasteful number, since it uses less digits than its factorization.

25636044056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457786514 (or 457786510 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 25636044056 in words is "twenty-five billion, six hundred thirty-six million, forty-four thousand, fifty-six".