25320088044 has 72 divisors (see below), whose sum is σ = 64627530240. Its totient is φ = 8357997312.

The previous prime is 25320088021. The next prime is 25320088111. The reversal of 25320088044 is 44088002352.

25320088044 is a `hidden beast` number, since 2 + 532 + 0 + 0 + 8 + 80 + 44 = 666.

It is a super-2 number, since 2×25320088044² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2596602 + ... + 2606334.

Almost surely, 2^25320088044 is an apocalyptic number.

It is an amenable number.

25320088044 is an abundant number, since it is smaller than the sum of its proper divisors (39307442196).

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

25320088044 is a wasteful number, since it uses less digits than its factorization.

25320088044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10439 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 25320088044 in words is "twenty-five billion, three hundred twenty million, eighty-eight thousand, forty-four".