394814856336 has 40 divisors (see below), whose sum is σ = 1039182505920. Its totient is φ = 129121838976.

The previous prime is 394814856313. The next prime is 394814856343. The reversal of 394814856336 is 633658418493.

It is a self number, because there is not a number n which added to its sum of digits gives 394814856336.

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, 77594716 + ... + 77599803.

It is an arithmetic number, because the mean of its divisors is an integer number (25979562648).

Almost surely, 2^394814856336 is an apocalyptic number.

It is an amenable number.

394814856336 is an abundant number, since it is smaller than the sum of its proper divisors (644367649584).

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

394814856336 is a wasteful number, since it uses less digits than its factorization.

394814856336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155194583 (or 155194577 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 394814856336 in words is "three hundred ninety-four billion, eight hundred fourteen million, eight hundred fifty-six thousand, three hundred thirty-six".