56405450232 has 48 divisors (see below), whose sum is σ = 155269113480. Its totient is φ = 18493588800.

The previous prime is 56405450221. The next prime is 56405450327. The reversal of 56405450232 is 23205450465.

56405450232 is a `hidden beast` number, since 5 + 640 + 5 + 4 + 5 + 0 + 2 + 3 + 2 = 666.

56405450232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6416994 + ... + 6425777.

Almost surely, 2^56405450232 is an apocalyptic number.

It is an amenable number.

56405450232 is an abundant number, since it is smaller than the sum of its proper divisors (98863663248).

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

56405450232 is a wasteful number, since it uses less digits than its factorization.

56405450232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12842844 (or 12842837 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 56405450232 in words is "fifty-six billion, four hundred five million, four hundred fifty thousand, two hundred thirty-two".