399380024356 has 24 divisors (see below), whose sum is σ = 712163279520. Its totient is φ = 195939057600.

The previous prime is 399380024311. The next prime is 399380024371. The reversal of 399380024356 is 653420083993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235250 + ... + 4328521.

It is an arithmetic number, because the mean of its divisors is an integer number (29673469980).

Almost surely, 2^399380024356 is an apocalyptic number.

It is an amenable number.

399380024356 is a deficient number, since it is larger than the sum of its proper divisors (312783255164).

399380024356 is a wasteful number, since it uses less digits than its factorization.

399380024356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8563995 (or 8563993 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 399380024356 in words is "three hundred ninety-nine billion, three hundred eighty million, twenty-four thousand, three hundred fifty-six".