399246289512 has 64 divisors (see below), whose sum is σ = 1143046225920. Its totient is φ = 113836114368.

The previous prime is 399246289511. The next prime is 399246289523. The reversal of 399246289512 is 215982642993.

It is not an unprimeable number, because it can be changed into a prime (399246289511) 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 15 ways as a sum of consecutive naturals, for example, 2358088 + ... + 2521719.

It is an arithmetic number, because the mean of its divisors is an integer number (17860097280).

Almost surely, 2^399246289512 is an apocalyptic number.

It is an amenable number.

399246289512 is an abundant number, since it is smaller than the sum of its proper divisors (743799936408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

399246289512 is a wasteful number, since it uses less digits than its factorization.

399246289512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880310 (or 4880306 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 60.

The spelling of 399246289512 in words is "three hundred ninety-nine billion, two hundred forty-six million, two hundred eighty-nine thousand, five hundred twelve".