25088317472640 has 128 divisors (see below), whose sum is σ = 80102075548320. Its totient is φ = 6679085875200.

The previous prime is 25088317472633. The next prime is 25088317472657. The reversal of 25088317472640 is 4627471388052.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9716989 + ... + 12024828.

Almost surely, 2^{25088317472640} is an apocalyptic number.

25088317472640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25088317472640 is an abundant number, since it is smaller than the sum of its proper divisors (55013758075680).

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

25088317472640 is a wasteful number, since it uses less digits than its factorization.

25088317472640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742440 (or 21742428 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 25088317472640 in words is "twenty-five trillion, eighty-eight billion, three hundred seventeen million, four hundred seventy-two thousand, six hundred forty".