389924064720 has 480 divisors, whose sum is σ = 1350941784192. Its totient is φ = 100756389888.

The previous prime is 389924064709. The next prime is 389924064749. The reversal of 389924064720 is 27460429983.

389924064720 is a `hidden beast` number, since 3 + 89 + 92 + 4 + 0 + 6 + 472 + 0 = 666.

It is a Cunningham number, because it is equal to 624439²-1.

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 95 ways as a sum of consecutive naturals, for example, 1270110807 + ... + 1270111113.

Almost surely, 2^389924064720 is an apocalyptic number.

389924064720 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 389924064720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675470892096).

389924064720 is an abundant number, since it is smaller than the sum of its proper divisors (961017719472).

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

389924064720 is a wasteful number, since it uses less digits than its factorization.

389924064720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 389924064720 in words is "three hundred eighty-nine billion, nine hundred twenty-four million, sixty-four thousand, seven hundred twenty".