404662252 has 12 divisors (see below), whose sum is σ = 708305976. Its totient is φ = 202289120.

The previous prime is 404662249. The next prime is 404662273. The reversal of 404662252 is 252266404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23163 + ... + 36685.

It is an arithmetic number, because the mean of its divisors is an integer number (59025498).

Almost surely, 2^404662252 is an apocalyptic number.

It is an amenable number.

404662252 is a deficient number, since it is larger than the sum of its proper divisors (303643724).

404662252 is a wasteful number, since it uses less digits than its factorization.

404662252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008 (or 21006 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 404662252 is about 20116.2186307467. The cubic root of 404662252 is about 739.6578964102.

The spelling of 404662252 in words is "four hundred four million, six hundred sixty-two thousand, two hundred fifty-two".