56400071268 has 24 divisors (see below), whose sum is σ = 133402910368. Its totient is φ = 18542488896.

The previous prime is 56400071243. The next prime is 56400071279. The reversal of 56400071268 is 86217000465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32190946 + ... + 32192697.

Almost surely, 2^56400071268 is an apocalyptic number.

It is an amenable number.

56400071268 is an abundant number, since it is smaller than the sum of its proper divisors (77002839100).

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

56400071268 is a wasteful number, since it uses less digits than its factorization.

56400071268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64383723 (or 64383721 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 56400071268 in words is "fifty-six billion, four hundred million, seventy-one thousand, two hundred sixty-eight".