389729118240 has 576 divisors, whose sum is σ = 1711623094272. Its totient is φ = 78369638400.

The previous prime is 389729118227. The next prime is 389729118293. The reversal of 389729118240 is 42811927983.

389729118240 is a `hidden beast` number, since 389 + 7 + 2 + 9 + 1 + 18 + 240 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3380589 + ... + 3493971.

It is an arithmetic number, because the mean of its divisors is an integer number (2971567872).

Almost surely, 2^389729118240 is an apocalyptic number.

389729118240 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 389729118240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (855811547136).

389729118240 is an abundant number, since it is smaller than the sum of its proper divisors (1321893976032).

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

389729118240 is a wasteful number, since it uses less digits than its factorization.

389729118240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113453 (or 113442 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 389729118240 in words is "three hundred eighty-nine billion, seven hundred twenty-nine million, one hundred eighteen thousand, two hundred forty".