406036656 has 60 divisors (see below), whose sum is σ = 1175534880. Its totient is φ = 130677120.

The previous prime is 406036651. The next prime is 406036699. The reversal of 406036656 is 656630604.

406036656 is a `hidden beast` number, since 40 + 603 + 6 + 6 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 406036656.

It is not an unprimeable number, because it can be changed into a prime (406036651) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 44440 + ... + 52791.

It is an arithmetic number, because the mean of its divisors is an integer number (19592248).

Almost surely, 2^406036656 is an apocalyptic number.

It is an amenable number.

406036656 is an abundant number, since it is smaller than the sum of its proper divisors (769498224).

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

406036656 is a wasteful number, since it uses less digits than its factorization.

406036656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97274 (or 97265 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 406036656 is about 20150.3512624470. The cubic root of 406036656 is about 740.4943470646.

The spelling of 406036656 in words is "four hundred six million, thirty-six thousand, six hundred fifty-six".