399334024635 has 128 divisors (see below), whose sum is σ = 789969438720. Its totient is φ = 167743512576.

The previous prime is 399334024627. The next prime is 399334024637. The reversal of 399334024635 is 536420433993.

It is not a de Polignac number, because 399334024635 - 2³ = 399334024627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399334024637) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 501046057 + ... + 501046853.

It is an arithmetic number, because the mean of its divisors is an integer number (6171636240).

Almost surely, 2^399334024635 is an apocalyptic number.

399334024635 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

399334024635 is a deficient number, since it is larger than the sum of its proper divisors (390635414085).

399334024635 is a wasteful number, since it uses less digits than its factorization.

399334024635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 6298560, while the sum is 51.

The spelling of 399334024635 in words is "three hundred ninety-nine billion, three hundred thirty-four million, twenty-four thousand, six hundred thirty-five".