394506595312 has 40 divisors (see below), whose sum is σ = 786653494704. Its totient is φ = 191552277504.

The previous prime is 394506595303. The next prime is 394506595331. The reversal of 394506595312 is 213595605493.

It is a super-2 number, since 2×394506595312² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 394506595312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538233 + ... + 1776280.

Almost surely, 2^394506595312 is an apocalyptic number.

It is an amenable number.

394506595312 is a deficient number, since it is larger than the sum of its proper divisors (392146899392).

394506595312 is a wasteful number, since it uses less digits than its factorization.

394506595312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314737 (or 3314731 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 394506595312 in words is "three hundred ninety-four billion, five hundred six million, five hundred ninety-five thousand, three hundred twelve".