399302430422 has 64 divisors (see below), whose sum is σ = 709391831040. Its totient is φ = 164956176000.

The previous prime is 399302430421. The next prime is 399302430491. The reversal of 399302430422 is 224034203993.

It is a self number, because there is not a number n which added to its sum of digits gives 399302430422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399302430421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210047672 + ... + 210049572.

It is an arithmetic number, because the mean of its divisors is an integer number (11084247360).

Almost surely, 2^399302430422 is an apocalyptic number.

399302430422 is a deficient number, since it is larger than the sum of its proper divisors (310089400618).

399302430422 is a wasteful number, since it uses less digits than its factorization.

399302430422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 399302430422 in words is "three hundred ninety-nine billion, three hundred two million, four hundred thirty thousand, four hundred twenty-two".