408122872 has 16 divisors (see below), whose sum is σ = 765703800. Its totient is φ = 203935200.

The previous prime is 408122867. The next prime is 408122909. The reversal of 408122872 is 278221804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254 + ... + 28597.

Almost surely, 2^408122872 is an apocalyptic number.

It is an amenable number.

408122872 is a deficient number, since it is larger than the sum of its proper divisors (357580928).

408122872 is a wasteful number, since it uses less digits than its factorization.

408122872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31566 (or 31562 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 408122872 is about 20202.0511829863. The cubic root of 408122872 is about 741.7604009853.

The spelling of 408122872 in words is "four hundred eight million, one hundred twenty-two thousand, eight hundred seventy-two".