25908254080 has 64 divisors (see below), whose sum is σ = 65196788400. Its totient is φ = 9817860096.

The previous prime is 25908254069. The next prime is 25908254087. The reversal of 25908254080 is 8045280952.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25908254087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053147 + ... + 1077466.

Almost surely, 2^25908254080 is an apocalyptic number.

25908254080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25908254080 is an abundant number, since it is smaller than the sum of its proper divisors (39288534320).

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

25908254080 is a wasteful number, since it uses less digits than its factorization.

25908254080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130651 (or 2130639 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 25908254080 in words is "twenty-five billion, nine hundred eight million, two hundred fifty-four thousand, eighty".