399054356924 has 48 divisors (see below), whose sum is σ = 707748787200. Its totient is φ = 196863670080.

The previous prime is 399054356903. The next prime is 399054356927. The reversal of 399054356924 is 429653450993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399054356927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52872119 + ... + 52879665.

It is an arithmetic number, because the mean of its divisors is an integer number (14744766400).

Almost surely, 2^399054356924 is an apocalyptic number.

It is an amenable number.

399054356924 is a deficient number, since it is larger than the sum of its proper divisors (308694430276).

399054356924 is a wasteful number, since it uses less digits than its factorization.

399054356924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298 (or 8296 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 59.

The spelling of 399054356924 in words is "three hundred ninety-nine billion, fifty-four million, three hundred fifty-six thousand, nine hundred twenty-four".