389881032800 has 288 divisors, whose sum is σ = 1154014138368. Its totient is φ = 125563576320.

The previous prime is 389881032799. The next prime is 389881032829. The reversal of 389881032800 is 8230188983.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 52070657 + ... + 52078143.

It is an arithmetic number, because the mean of its divisors is an integer number (4006993536).

Almost surely, 2^389881032800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389881032800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577007069184).

389881032800 is an abundant number, since it is smaller than the sum of its proper divisors (764133105568).

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

389881032800 is a wasteful number, since it uses less digits than its factorization.

389881032800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 389881032800 in words is "three hundred eighty-nine billion, eight hundred eighty-one million, thirty-two thousand, eight hundred".