399560330460 has 96 divisors (see below), whose sum is σ = 1121134029120. Its totient is φ = 106324420608.

The previous prime is 399560330459. The next prime is 399560330479. The reversal of 399560330460 is 64033065993.

It is a happy number.

It is a congruent number.

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, 75258286 + ... + 75263594.

It is an arithmetic number, because the mean of its divisors is an integer number (11678479470).

Almost surely, 2^399560330460 is an apocalyptic number.

399560330460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399560330460 is an abundant number, since it is smaller than the sum of its proper divisors (721573698660).

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

399560330460 is a wasteful number, since it uses less digits than its factorization.

399560330460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7735 (or 7733 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 48.

The spelling of 399560330460 in words is "three hundred ninety-nine billion, five hundred sixty million, three hundred thirty thousand, four hundred sixty".