316405256572 has 48 divisors (see below), whose sum is σ = 596308946688. Its totient is φ = 146359192320.

The previous prime is 316405256507. The next prime is 316405256603. The reversal of 316405256572 is 275652504613.

It is a happy number.

It is a super-2 number, since 2×316405256572² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053297 + ... + 2202007.

It is an arithmetic number, because the mean of its divisors is an integer number (12423103056).

Almost surely, 2^316405256572 is an apocalyptic number.

It is an amenable number.

316405256572 is a deficient number, since it is larger than the sum of its proper divisors (279903690116).

316405256572 is a wasteful number, since it uses less digits than its factorization.

316405256572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149266 (or 149264 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 316405256572 in words is "three hundred sixteen billion, four hundred five million, two hundred fifty-six thousand, five hundred seventy-two".