389040416680 has 32 divisors (see below), whose sum is σ = 875703315240. Its totient is φ = 155551744000.

The previous prime is 389040416669. The next prime is 389040416683. The reversal of 389040416680 is 86614040983.

It can be written as a sum of positive squares in 4 ways, for example, as 377986417636 + 11053999044 = 614806^2 + 105138^2 .

It is not an unprimeable number, because it can be changed into a prime (389040416683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915321 + ... + 2108680.

Almost surely, 2^389040416680 is an apocalyptic number.

It is an amenable number.

389040416680 is an abundant number, since it is smaller than the sum of its proper divisors (486662898560).

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

389040416680 is a wasteful number, since it uses less digits than its factorization.

389040416680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026429 (or 4026425 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 389040416680 in words is "three hundred eighty-nine billion, forty million, four hundred sixteen thousand, six hundred eighty".