399337361744 has 20 divisors (see below), whose sum is σ = 774217622496. Its totient is φ = 199539265632.

The previous prime is 399337361711. The next prime is 399337361783. The reversal of 399337361744 is 447163733993.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8062994 + ... + 8112369.

Almost surely, 2^399337361744 is an apocalyptic number.

It is an amenable number.

399337361744 is a deficient number, since it is larger than the sum of its proper divisors (374880260752).

399337361744 is a wasteful number, since it uses less digits than its factorization.

399337361744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16176914 (or 16176908 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 59.

The spelling of 399337361744 in words is "three hundred ninety-nine billion, three hundred thirty-seven million, three hundred sixty-one thousand, seven hundred forty-four".