399760142974 has 32 divisors (see below), whose sum is σ = 604602216576. Its totient is φ = 198234177120.

The previous prime is 399760142953. The next prime is 399760142981. The reversal of 399760142974 is 479241067993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200179344 + ... + 200181340.

It is an arithmetic number, because the mean of its divisors is an integer number (18893819268).

Almost surely, 2^399760142974 is an apocalyptic number.

399760142974 is a deficient number, since it is larger than the sum of its proper divisors (204842073602).

399760142974 is a wasteful number, since it uses less digits than its factorization.

399760142974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 399760142974 in words is "three hundred ninety-nine billion, seven hundred sixty million, one hundred forty-two thousand, nine hundred seventy-four".