389540807168 has 30 divisors (see below), whose sum is σ = 778349010879. Its totient is φ = 194763342336.

The previous prime is 389540807167. The next prime is 389540807191. The reversal of 389540807168 is 861708045983.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 194770403584 + 194770403584 = 441328^2 + 441328^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=441328.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389540807167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14108705 + ... + 14136287.

Almost surely, 2^389540807168 is an apocalyptic number.

It is an amenable number.

389540807168 is a deficient number, since it is larger than the sum of its proper divisors (388808203711).

389540807168 is an frugal number, since it uses more digits than its factorization.

389540807168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55184 (or 27585 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 389540807168 in words is "three hundred eighty-nine billion, five hundred forty million, eight hundred seven thousand, one hundred sixty-eight".