404125328 has 20 divisors (see below), whose sum is σ = 783359088. Its totient is φ = 201968160.

The previous prime is 404125327. The next prime is 404125357. The reversal of 404125328 is 823521404.

It is a happy number.

It is a super-2 number, since 2×404125328² = 326634561462215168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404125328.

It is not an unprimeable number, because it can be changed into a prime (404125327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40343 + ... + 49353.

Almost surely, 2^404125328 is an apocalyptic number.

It is an amenable number.

404125328 is a deficient number, since it is larger than the sum of its proper divisors (379233760).

404125328 is a wasteful number, since it uses less digits than its factorization.

404125328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11822 (or 11816 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 404125328 is about 20102.8686510160. The cubic root of 404125328 is about 739.3306145418.

The spelling of 404125328 in words is "four hundred four million, one hundred twenty-five thousand, three hundred twenty-eight".