394662491232 has 96 divisors (see below), whose sum is σ = 1039562602848. Its totient is φ = 131100942336.

The previous prime is 394662491231. The next prime is 394662491243. The reversal of 394662491232 is 232194266493.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394662491231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57754888 + ... + 57761720.

It is an arithmetic number, because the mean of its divisors is an integer number (10828777113).

Almost surely, 2^394662491232 is an apocalyptic number.

394662491232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

394662491232 is an abundant number, since it is smaller than the sum of its proper divisors (644900111616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394662491232 is a wasteful number, since it uses less digits than its factorization.

394662491232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832 (or 8824 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 394662491232 in words is "three hundred ninety-four billion, six hundred sixty-two million, four hundred ninety-one thousand, two hundred thirty-two".