389012520960 has 684 divisors, whose sum is σ = 1571080521348. Its totient is φ = 88785027072.

The previous prime is 389012520937. The next prime is 389012520979. The reversal of 389012520960 is 69025210983.

389012520960 is a `hidden beast` number, since 38 + 9 + 0 + 1 + 2 + 520 + 96 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 133639962624 + 255372558336 = 365568^2 + 505344^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 578027184 + ... + 578027856.

It is an arithmetic number, because the mean of its divisors is an integer number (2296901347).

Almost surely, 2^389012520960 is an apocalyptic number.

389012520960 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 389012520960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785540260674).

389012520960 is an abundant number, since it is smaller than the sum of its proper divisors (1182068000388).

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

389012520960 is an frugal number, since it uses more digits than its factorization.

389012520960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 389012520960 in words is "three hundred eighty-nine billion, twelve million, five hundred twenty thousand, nine hundred sixty".