394394404360 has 64 divisors (see below), whose sum is σ = 968145851520. Its totient is φ = 143403279360.

The previous prime is 394394404333. The next prime is 394394404367. The reversal of 394394404360 is 63404493493.

It is not an unprimeable number, because it can be changed into a prime (394394404367) by changing a digit.

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, 5847952 + ... + 5915008.

It is an arithmetic number, because the mean of its divisors is an integer number (15127278930).

Almost surely, 2^394394404360 is an apocalyptic number.

It is an amenable number.

394394404360 is an abundant number, since it is smaller than the sum of its proper divisors (573751447160).

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

394394404360 is a wasteful number, since it uses less digits than its factorization.

394394404360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80446 (or 80442 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 394394404360 in words is "three hundred ninety-four billion, three hundred ninety-four million, four hundred four thousand, three hundred sixty".