25920939432 has 16 divisors (see below), whose sum is σ = 64802348640. Its totient is φ = 8640313136.

The previous prime is 25920939391. The next prime is 25920939467. The reversal of 25920939432 is 23493902952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540019548 + ... + 540019595.

It is an arithmetic number, because the mean of its divisors is an integer number (4050146790).

Almost surely, 2^25920939432 is an apocalyptic number.

It is an amenable number.

25920939432 is an abundant number, since it is smaller than the sum of its proper divisors (38881409208).

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

25920939432 is a wasteful number, since it uses less digits than its factorization.

25920939432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080039152 (or 1080039148 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 25920939432 in words is "twenty-five billion, nine hundred twenty million, nine hundred thirty-nine thousand, four hundred thirty-two".