25550080764 has 48 divisors (see below), whose sum is σ = 64220339232. Its totient is φ = 7859411712.

The previous prime is 25550080753. The next prime is 25550080837. The reversal of 25550080764 is 46708005552.

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, 605622 + ... + 646434.

It is an arithmetic number, because the mean of its divisors is an integer number (1337923734).

Almost surely, 2^25550080764 is an apocalyptic number.

It is an amenable number.

25550080764 is an abundant number, since it is smaller than the sum of its proper divisors (38670258468).

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

25550080764 is a wasteful number, since it uses less digits than its factorization.

25550080764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44846 (or 44844 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 25550080764 in words is "twenty-five billion, five hundred fifty million, eighty thousand, seven hundred sixty-four".