394100338880 has 56 divisors (see below), whose sum is σ = 960275917392. Its totient is φ = 153974080512.

The previous prime is 394100338813. The next prime is 394100338883. The reversal of 394100338880 is 88833001493.

It is not an unprimeable number, because it can be changed into a prime (394100338883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14306747 + ... + 14334266.

Almost surely, 2^394100338880 is an apocalyptic number.

It is an amenable number.

394100338880 is an abundant number, since it is smaller than the sum of its proper divisors (566175578512).

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

394100338880 is a wasteful number, since it uses less digits than its factorization.

394100338880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28641073 (or 28641063 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 394100338880 in words is "three hundred ninety-four billion, one hundred million, three hundred thirty-eight thousand, eight hundred eighty".