394657940104 has 32 divisors (see below), whose sum is σ = 741543828480. Its totient is φ = 196913195584.

The previous prime is 394657940087. The next prime is 394657940119. The reversal of 394657940104 is 401049756493.

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, 12602514 + ... + 12633790.

It is an arithmetic number, because the mean of its divisors is an integer number (23173244640).

Almost surely, 2^394657940104 is an apocalyptic number.

It is an amenable number.

394657940104 is a deficient number, since it is larger than the sum of its proper divisors (346885888376).

394657940104 is a wasteful number, since it uses less digits than its factorization.

394657940104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34557 (or 34553 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 394657940104 in words is "three hundred ninety-four billion, six hundred fifty-seven million, nine hundred forty thousand, one hundred four".