408880444 has 24 divisors (see below), whose sum is σ = 818370560. Its totient is φ = 175103856.

The previous prime is 408880441. The next prime is 408880463. The reversal of 408880444 is 444088804.

It is a junction number, because it is equal to n+sod(n) for n = 408880397 and 408880406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408880441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39217 + ... + 48535.

Almost surely, 2^408880444 is an apocalyptic number.

It is an amenable number.

408880444 is an abundant number, since it is smaller than the sum of its proper divisors (409490116).

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

408880444 is a wasteful number, since it uses less digits than its factorization.

408880444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897 (or 10895 counting only the distinct ones).

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

The square root of 408880444 is about 20220.7923682530. The cubic root of 408880444 is about 742.2190778622.

The spelling of 408880444 in words is "four hundred eight million, eight hundred eighty thousand, four hundred forty-four".