394564984368 has 40 divisors (see below), whose sum is σ = 1019643630000. Its totient is φ = 131476402944.

The previous prime is 394564984321. The next prime is 394564984379. The reversal of 394564984368 is 863489465493.

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, 1273243 + ... + 1552506.

It is an arithmetic number, because the mean of its divisors is an integer number (25491090750).

Almost surely, 2^394564984368 is an apocalyptic number.

It is an amenable number.

394564984368 is an abundant number, since it is smaller than the sum of its proper divisors (625078645632).

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

394564984368 is a wasteful number, since it uses less digits than its factorization.

394564984368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828669 (or 2828663 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 69.

The spelling of 394564984368 in words is "three hundred ninety-four billion, five hundred sixty-four million, nine hundred eighty-four thousand, three hundred sixty-eight".