390947013180 has 36 divisors (see below), whose sum is σ = 1185872607192. Its totient is φ = 104252536800.

The previous prime is 390947013173. The next prime is 390947013209. The reversal of 390947013180 is 81310749093.

390947013180 is a `hidden beast` number, since 3 + 90 + 9 + 470 + 13 + 1 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×390947013180² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085963746 + ... + 1085964105.

Almost surely, 2^390947013180 is an apocalyptic number.

390947013180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

390947013180 is an abundant number, since it is smaller than the sum of its proper divisors (794925594012).

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

390947013180 is a wasteful number, since it uses less digits than its factorization.

390947013180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171927866 (or 2171927861 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 390947013180 in words is "three hundred ninety billion, nine hundred forty-seven million, thirteen thousand, one hundred eighty".