394242422400936 has 24 divisors (see below), whose sum is σ = 1067739894002730. Its totient is φ = 131414140800288.

The previous prime is 394242422400919. The next prime is 394242422401027. The reversal of 394242422400936 is 639004224242493.

394242422400936 is a `hidden beast` number, since 3 + 94 + 2 + 4 + 2 + 422 + 40 + 0 + 93 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 322317605678436 + 71924816722500 = 17953206^2 + 8480850^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2737794599935 + ... + 2737794600078.

Almost surely, 2^{394242422400936} is an apocalyptic number.

394242422400936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

394242422400936 is an abundant number, since it is smaller than the sum of its proper divisors (673497471601794).

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

394242422400936 is a wasteful number, since it uses less digits than its factorization.

394242422400936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475589200025 (or 5475589200018 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 54.

The spelling of 394242422400936 in words is "three hundred ninety-four trillion, two hundred forty-two billion, four hundred twenty-two million, four hundred thousand, nine hundred thirty-six".