25057169904 has 80 divisors (see below), whose sum is σ = 73379331200. Its totient is φ = 7304110848.

The previous prime is 25057169903. The next prime is 25057169911. The reversal of 25057169904 is 40996175052.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25057169903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044874 + ... + 1068585.

It is an arithmetic number, because the mean of its divisors is an integer number (917241640).

Almost surely, 2^25057169904 is an apocalyptic number.

25057169904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25057169904 is an abundant number, since it is smaller than the sum of its proper divisors (48322161296).

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

25057169904 is a wasteful number, since it uses less digits than its factorization.

25057169904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113502 (or 2113496 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 25057169904 in words is "twenty-five billion, fifty-seven million, one hundred sixty-nine thousand, nine hundred four".