408672064 has 28 divisors (see below), whose sum is σ = 853643200. Its totient is φ = 193580928.

The previous prime is 408672023. The next prime is 408672079. The reversal of 408672064 is 460276804.

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, 166824 + ... + 169255.

Almost surely, 2^408672064 is an apocalyptic number.

It is an amenable number.

408672064 is an abundant number, since it is smaller than the sum of its proper divisors (444971136).

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

408672064 is a wasteful number, since it uses less digits than its factorization.

408672064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336110 (or 336100 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 408672064 is about 20215.6390945228. The cubic root of 408672064 is about 742.0929693667.

The spelling of 408672064 in words is "four hundred eight million, six hundred seventy-two thousand, sixty-four".