394845112688 has 40 divisors (see below), whose sum is σ = 831858195168. Its totient is φ = 180466912512.

The previous prime is 394845112667. The next prime is 394845112693. The reversal of 394845112688 is 886211548493.

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, 9193595 + ... + 9236442.

Almost surely, 2^394845112688 is an apocalyptic number.

It is an amenable number.

394845112688 is an abundant number, since it is smaller than the sum of its proper divisors (437013082480).

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

394845112688 is a wasteful number, since it uses less digits than its factorization.

394845112688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18430161 (or 18430155 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The spelling of 394845112688 in words is "three hundred ninety-four billion, eight hundred forty-five million, one hundred twelve thousand, six hundred eighty-eight".