408672648 has 64 divisors (see below), whose sum is σ = 1184572800. Its totient is φ = 130299840.

The previous prime is 408672647. The next prime is 408672679. The reversal of 408672648 is 846276804.

It is not an unprimeable number, because it can be changed into a prime (408672643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36163 + ... + 46098.

It is an arithmetic number, because the mean of its divisors is an integer number (18508950).

Almost surely, 2^408672648 is an apocalyptic number.

It is an amenable number.

408672648 is an abundant number, since it is smaller than the sum of its proper divisors (775900152).

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

408672648 is a wasteful number, since it uses less digits than its factorization.

408672648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82299 (or 82289 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 408672648 is about 20215.6535387803. The cubic root of 408672648 is about 742.0933228547.

The spelling of 408672648 in words is "four hundred eight million, six hundred seventy-two thousand, six hundred forty-eight".