399241312260 has 96 divisors (see below), whose sum is σ = 1287631994880. Its totient is φ = 90536600448.

The previous prime is 399241312259. The next prime is 399241312289. The reversal of 399241312260 is 62213142993.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3689080 + ... + 3795759.

It is an arithmetic number, because the mean of its divisors is an integer number (13412833280).

Almost surely, 2^399241312260 is an apocalyptic number.

399241312260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399241312260 is an abundant number, since it is smaller than the sum of its proper divisors (888390682620).

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

399241312260 is a wasteful number, since it uses less digits than its factorization.

399241312260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484985 (or 7484983 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 399241312260 in words is "three hundred ninety-nine billion, two hundred forty-one million, three hundred twelve thousand, two hundred sixty".