389551508790720 has 112 divisors (see below), whose sum is σ = 1236897614896800. Its totient is φ = 103874390839296.

The previous prime is 389551508790667. The next prime is 389551508790779. The reversal of 389551508790720 is 27097805155983.

It is a super-2 number, since 2×389551508790720² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4868706 + ... + 28333854.

Almost surely, 2^{389551508790720} is an apocalyptic number.

389551508790720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389551508790720 is an abundant number, since it is smaller than the sum of its proper divisors (847346106106080).

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

389551508790720 is a wasteful number, since it uses less digits than its factorization.

389551508790720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23482462 (or 23482452 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 69.

The spelling of 389551508790720 in words is "three hundred eighty-nine trillion, five hundred fifty-one billion, five hundred eight million, seven hundred ninety thousand, seven hundred twenty".