408468380 has 24 divisors (see below), whose sum is σ = 858635232. Its totient is φ = 163225152.

The previous prime is 408468353. The next prime is 408468409. The reversal of 408468380 is 83864804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11654 + ... + 30866.

It is an arithmetic number, because the mean of its divisors is an integer number (35776468).

Almost surely, 2^408468380 is an apocalyptic number.

It is an amenable number.

408468380 is an abundant number, since it is smaller than the sum of its proper divisors (450166852).

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

408468380 is a wasteful number, since it uses less digits than its factorization.

408468380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20285 (or 20283 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 408468380 is about 20210.6006837996. The cubic root of 408468380 is about 741.9696613843.

The spelling of 408468380 in words is "four hundred eight million, four hundred sixty-eight thousand, three hundred eighty".