389118078720 has 1728 divisors, whose sum is σ = 1698907392000. Its totient is φ = 81935400960.

The previous prime is 389118078691. The next prime is 389118078721. The reversal of 389118078720 is 27870811983.

It is a happy number.

389118078720 is a `hidden beast` number, since 389 + 1 + 180 + 7 + 87 + 2 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389118078721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5330384604 + ... + 5330384676.

It is an arithmetic number, because the mean of its divisors is an integer number (983164000).

Almost surely, 2^389118078720 is an apocalyptic number.

389118078720 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 389118078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849453696000).

389118078720 is an abundant number, since it is smaller than the sum of its proper divisors (1309789313280).

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

389118078720 is a wasteful number, since it uses less digits than its factorization.

389118078720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 389118078720 in words is "three hundred eighty-nine billion, one hundred eighteen million, seventy-eight thousand, seven hundred twenty".