404371378 has 16 divisors (see below), whose sum is σ = 629980416. Its totient is φ = 194458320.

The previous prime is 404371337. The next prime is 404371381. The reversal of 404371378 is 873173404.

It is a super-2 number, since 2×404371378² = 327032422691237768, which contains 22 as substring.

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, 9901 + ... + 30112.

It is an arithmetic number, because the mean of its divisors is an integer number (39373776).

Almost surely, 2^404371378 is an apocalyptic number.

404371378 is a deficient number, since it is larger than the sum of its proper divisors (225609038).

404371378 is a wasteful number, since it uses less digits than its factorization.

404371378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 404371378 is about 20108.9874931584. The cubic root of 404371378 is about 739.4806302083.

The spelling of 404371378 in words is "four hundred four million, three hundred seventy-one thousand, three hundred seventy-eight".