407597972356 has 27 divisors (see below), whose sum is σ = 745711456791. Its totient is φ = 194924115144.

The previous prime is 407597972329. The next prime is 407597972357. The reversal of 407597972356 is 653279795704.

The square root of 407597972356 is 638434.

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

It is a super-2 number, since 2×407597972356² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407597972357) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29361025 + ... + 29374903.

Almost surely, 2^407597972356 is an apocalyptic number.

407597972356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

407597972356 is the 638434-th square number.

It is an amenable number.

407597972356 is a deficient number, since it is larger than the sum of its proper divisors (338113484435).

407597972356 is an frugal number, since it uses more digits than its factorization.

407597972356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27808 (or 13904 counting only the distinct ones).

The product of its (nonzero) digits is 100018800, while the sum is 64.

Multiplying 407597972356 by its sum of digits (64), we get a square (26086270230784 = 5107472²).

The spelling of 407597972356 in words is "four hundred seven billion, five hundred ninety-seven million, nine hundred seventy-two thousand, three hundred fifty-six".