404997323236 has 27 divisors (see below), whose sum is σ = 779061039267. Its totient is φ = 184083328440.

The previous prime is 404997323219. The next prime is 404997323251. The reversal of 404997323236 is 632323799404.

The square root of 404997323236 is 636394.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13986205 + ... + 14015131.

Almost surely, 2^404997323236 is an apocalyptic number.

404997323236 is the 636394-th square number.

It is an amenable number.

404997323236 is a deficient number, since it is larger than the sum of its proper divisors (374063716031).

404997323236 is an frugal number, since it uses more digits than its factorization.

404997323236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57880 (or 28940 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 404997323236 in words is "four hundred four billion, nine hundred ninety-seven million, three hundred twenty-three thousand, two hundred thirty-six".