389137996800 has 2640 divisors, whose sum is σ = 1857533610240. Its totient is φ = 78352220160.

The previous prime is 389137996769. The next prime is 389137996823. The reversal of 389137996800 is 8699731983.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 239 ways as a sum of consecutive naturals, for example, 4688409559 + ... + 4688409641.

It is an arithmetic number, because the mean of its divisors is an integer number (703611216).

Almost surely, 2^389137996800 is an apocalyptic number.

389137996800 is a gapful number since it is divisible by the number (30) 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 389137996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928766805120).

389137996800 is an abundant number, since it is smaller than the sum of its proper divisors (1468395613440).

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

389137996800 is a wasteful number, since it uses less digits than its factorization.

389137996800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 389137996800 in words is "three hundred eighty-nine billion, one hundred thirty-seven million, nine hundred ninety-six thousand, eight hundred".