408044168 has 24 divisors (see below), whose sum is σ = 889995150. Its totient is φ = 174875904.

The previous prime is 408044159. The next prime is 408044261. The reversal of 408044168 is 861440804.

It can be written as a sum of positive squares in only one way, i.e., 213218404 + 194825764 = 14602^2 + 13958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520073 + ... + 520856.

Almost surely, 2^408044168 is an apocalyptic number.

It is an amenable number.

408044168 is an abundant number, since it is smaller than the sum of its proper divisors (481950982).

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

408044168 is a wasteful number, since it uses less digits than its factorization.

408044168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040949 (or 1040938 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 408044168 is about 20200.1031680534. The cubic root of 408044168 is about 741.7127166009.

The spelling of 408044168 in words is "four hundred eight million, forty-four thousand, one hundred sixty-eight".