389085880512 has 448 divisors, whose sum is σ = 1270457118720. Its totient is φ = 102570983424.

The previous prime is 389085880493. The next prime is 389085880549. The reversal of 389085880512 is 215088580983.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 283383058 + ... + 283384430.

Almost surely, 2^389085880512 is an apocalyptic number.

389085880512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389085880512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635228559360).

389085880512 is an abundant number, since it is smaller than the sum of its proper divisors (881371238208).

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

389085880512 is a wasteful number, since it uses less digits than its factorization.

389085880512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 57.

The spelling of 389085880512 in words is "three hundred eighty-nine billion, eighty-five million, eight hundred eighty thousand, five hundred twelve".