408381272 has 32 divisors (see below), whose sum is σ = 835927680. Its totient is φ = 185898240.

The previous prime is 408381263. The next prime is 408381313. The reversal of 408381272 is 272183804.

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, 19304 + ... + 34487.

It is an arithmetic number, because the mean of its divisors is an integer number (26122740).

Almost surely, 2^408381272 is an apocalyptic number.

It is an amenable number.

408381272 is an abundant number, since it is smaller than the sum of its proper divisors (427546408).

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

408381272 is a wasteful number, since it uses less digits than its factorization.

408381272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53883 (or 53879 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 408381272 is about 20208.4455612004. The cubic root of 408381272 is about 741.9169146754.

The spelling of 408381272 in words is "four hundred eight million, three hundred eighty-one thousand, two hundred seventy-two".