394041040674 has 8 divisors (see below), whose sum is σ = 788082081360. Its totient is φ = 131347013556.

The previous prime is 394041040661. The next prime is 394041040691. The reversal of 394041040674 is 476040140493.

It is a sphenic number, since it is the product of 3 distinct primes.

394041040674 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32836753384 + ... + 32836753395.

It is an arithmetic number, because the mean of its divisors is an integer number (98510260170).

Almost surely, 2^394041040674 is an apocalyptic number.

394041040674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

394041040674 is a wasteful number, since it uses less digits than its factorization.

394041040674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65673506784.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 394041040674 in words is "three hundred ninety-four billion, forty-one million, forty thousand, six hundred seventy-four".