399320253120 has 56 divisors (see below), whose sum is σ = 1267841806704. Its totient is φ = 106485400576.

The previous prime is 399320253109. The next prime is 399320253127. The reversal of 399320253120 is 21352023993.

It is not an unprimeable number, because it can be changed into a prime (399320253127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207978339 + ... + 207980258.

Almost surely, 2^399320253120 is an apocalyptic number.

399320253120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399320253120 is an abundant number, since it is smaller than the sum of its proper divisors (868521553584).

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

399320253120 is a wasteful number, since it uses less digits than its factorization.

399320253120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415958617 (or 415958607 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 399320253120 in words is "three hundred ninety-nine billion, three hundred twenty million, two hundred fifty-three thousand, one hundred twenty".