394741284368 has 40 divisors (see below), whose sum is σ = 806646436800. Its totient is φ = 186615287424.

The previous prime is 394741284359. The next prime is 394741284391. The reversal of 394741284368 is 863482147493.

It is a happy 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, 1120796 + ... + 1430267.

It is an arithmetic number, because the mean of its divisors is an integer number (20166160920).

Almost surely, 2^394741284368 is an apocalyptic number.

394741284368 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

394741284368 is an abundant number, since it is smaller than the sum of its proper divisors (411905152432).

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

394741284368 is a wasteful number, since it uses less digits than its factorization.

394741284368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551599 (or 2551593 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 59.

The spelling of 394741284368 in words is "three hundred ninety-four billion, seven hundred forty-one million, two hundred eighty-four thousand, three hundred sixty-eight".