399359107980 has 144 divisors (see below), whose sum is σ = 1457310516480. Its totient is φ = 86477756544.

The previous prime is 399359107969. The next prime is 399359107991. The reversal of 399359107980 is 89701953993.

399359107980 is a `hidden beast` number, since 3 + 99 + 359 + 107 + 98 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (399359107969) and next prime (399359107991).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8316894 + ... + 8364773.

It is an arithmetic number, because the mean of its divisors is an integer number (10120211920).

Almost surely, 2^399359107980 is an apocalyptic number.

399359107980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399359107980 is an abundant number, since it is smaller than the sum of its proper divisors (1057951408500).

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

399359107980 is a wasteful number, since it uses less digits than its factorization.

399359107980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681708 (or 16681703 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 63.

The spelling of 399359107980 in words is "three hundred ninety-nine billion, three hundred fifty-nine million, one hundred seven thousand, nine hundred eighty".