56396878040 has 16 divisors (see below), whose sum is σ = 126892975680. Its totient is φ = 22558751200.

The previous prime is 56396878019. The next prime is 56396878049. The reversal of 56396878040 is 4087869365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56396878049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704960936 + ... + 704961015.

It is an arithmetic number, because the mean of its divisors is an integer number (7930810980).

Almost surely, 2^56396878040 is an apocalyptic number.

It is an amenable number.

56396878040 is an abundant number, since it is smaller than the sum of its proper divisors (70496097640).

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

56396878040 is a wasteful number, since it uses less digits than its factorization.

56396878040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409921962 (or 1409921958 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 56396878040 in words is "fifty-six billion, three hundred ninety-six million, eight hundred seventy-eight thousand, forty".