394380957492 has 72 divisors (see below), whose sum is σ = 999170157440. Its totient is φ = 131162224320.

The previous prime is 394380957403. The next prime is 394380957517. The reversal of 394380957492 is 294759083493.

394380957492 is a `hidden beast` number, since 3 + 94 + 3 + 8 + 0 + 9 + 57 + 492 = 666.

It is a congruent number.

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, 41461017 + ... + 41470527.

Almost surely, 2^394380957492 is an apocalyptic number.

It is an amenable number.

394380957492 is an abundant number, since it is smaller than the sum of its proper divisors (604789199948).

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

394380957492 is a wasteful number, since it uses less digits than its factorization.

394380957492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013 (or 12008 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 394380957492 in words is "three hundred ninety-four billion, three hundred eighty million, nine hundred fifty-seven thousand, four hundred ninety-two".