394574747930 has 48 divisors (see below), whose sum is σ = 826592898600. Its totient is φ = 135041617920.

The previous prime is 394574747927. The next prime is 394574747953. The reversal of 394574747930 is 39747475493.

It can be written as a sum of positive squares in 4 ways, for example, as 335962822129 + 58611925801 = 579623^2 + 242099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9570455 + ... + 9611594.

Almost surely, 2^394574747930 is an apocalyptic number.

394574747930 is an abundant number, since it is smaller than the sum of its proper divisors (432018150670).

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

394574747930 is a wasteful number, since it uses less digits than its factorization.

394574747930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19182095 (or 19182084 counting only the distinct ones).

The product of its (nonzero) digits is 80015040, while the sum is 62.

The spelling of 394574747930 in words is "three hundred ninety-four billion, five hundred seventy-four million, seven hundred forty-seven thousand, nine hundred thirty".