394090412882 has 16 divisors (see below), whose sum is σ = 624371751360. Its totient is φ = 186037286832.

The previous prime is 394090412879. The next prime is 394090412921. The reversal of 394090412882 is 288214090493.

It is a self number, because there is not a number n which added to its sum of digits gives 394090412882.

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, 17686478 + ... + 17708745.

It is an arithmetic number, because the mean of its divisors is an integer number (39023234460).

Almost surely, 2^394090412882 is an apocalyptic number.

394090412882 is a deficient number, since it is larger than the sum of its proper divisors (230281338478).

394090412882 is a wasteful number, since it uses less digits than its factorization.

394090412882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35395537.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 394090412882 in words is "three hundred ninety-four billion, ninety million, four hundred twelve thousand, eight hundred eighty-two".