408840844 has 6 divisors (see below), whose sum is σ = 715471484. Its totient is φ = 204420420.

The previous prime is 408840821. The next prime is 408840857. The reversal of 408840844 is 448048804.

It is a junction number, because it is equal to n+sod(n) for n = 408840797 and 408840806.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105102 + ... + 51105109.

Almost surely, 2^408840844 is an apocalyptic number.

It is an amenable number.

408840844 is a deficient number, since it is larger than the sum of its proper divisors (306630640).

408840844 is a wasteful number, since it uses less digits than its factorization.

408840844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102210215 (or 102210213 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 408840844 is about 20219.8131544285. The cubic root of 408840844 is about 742.1951158257.

The spelling of 408840844 in words is "four hundred eight million, eight hundred forty thousand, eight hundred forty-four".