399094400412 has 18 divisors (see below), whose sum is σ = 1008821956688. Its totient is φ = 133031466792.

The previous prime is 399094400401. The next prime is 399094400423. The reversal of 399094400412 is 214004490993.

399094400412 is a `hidden beast` number, since 39 + 90 + 94 + 400 + 41 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (399094400401) and next prime (399094400423).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

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, 5542977748 + ... + 5542977819.

Almost surely, 2^399094400412 is an apocalyptic number.

It is an amenable number.

399094400412 is an abundant number, since it is smaller than the sum of its proper divisors (609727556276).

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

399094400412 is a wasteful number, since it uses less digits than its factorization.

399094400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085955577 (or 11085955572 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 399094400412 in words is "three hundred ninety-nine billion, ninety-four million, four hundred thousand, four hundred twelve".