394548685832 has 32 divisors (see below), whose sum is σ = 853832387520. Its totient is φ = 167418110400.

The previous prime is 394548685807. The next prime is 394548685841. The reversal of 394548685832 is 238586845493.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

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, 34873118 + ... + 34884429.

It is an arithmetic number, because the mean of its divisors is an integer number (26682262110).

Almost surely, 2^394548685832 is an apocalyptic number.

It is an amenable number.

394548685832 is an abundant number, since it is smaller than the sum of its proper divisors (459283701688).

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

394548685832 is a wasteful number, since it uses less digits than its factorization.

394548685832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69757661 (or 69757657 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 65.

The spelling of 394548685832 in words is "three hundred ninety-four billion, five hundred forty-eight million, six hundred eighty-five thousand, eight hundred thirty-two".