399158532260 has 24 divisors (see below), whose sum is σ = 838381803840. Its totient is φ = 159635053664.

The previous prime is 399158532151. The next prime is 399158532301. The reversal of 399158532260 is 62235851993.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1656854 + ... + 1882413.

It is an arithmetic number, because the mean of its divisors is an integer number (34932575160).

Almost surely, 2^399158532260 is an apocalyptic number.

It is an amenable number.

399158532260 is an abundant number, since it is smaller than the sum of its proper divisors (439223271580).

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

399158532260 is a wasteful number, since it uses less digits than its factorization.

399158532260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544915 (or 3544913 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 399158532260 in words is "three hundred ninety-nine billion, one hundred fifty-eight million, five hundred thirty-two thousand, two hundred sixty".