394587870120 has 128 divisors (see below), whose sum is σ = 1360647936000. Its totient is φ = 101595029760.

The previous prime is 394587870067. The next prime is 394587870137. The reversal of 394587870120 is 21078785493.

It is a happy number.

394587870120 is a `hidden beast` number, since 39 + 4 + 587 + 8 + 7 + 0 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 6267976 + ... + 6330615.

It is an arithmetic number, because the mean of its divisors is an integer number (10630062000).

Almost surely, 2^394587870120 is an apocalyptic number.

394587870120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394587870120 is an abundant number, since it is smaller than the sum of its proper divisors (966060065880).

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

394587870120 is a wasteful number, since it uses less digits than its factorization.

394587870120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12598640 (or 12598630 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 394587870120 in words is "three hundred ninety-four billion, five hundred eighty-seven million, eight hundred seventy thousand, one hundred twenty".