389844043288056 has 128 divisors (see below), whose sum is σ = 1251505757376000. Its totient is φ = 110132506573056.

The previous prime is 389844043288043. The next prime is 389844043288099. The reversal of 389844043288056 is 650882340448983.

389844043288056 is a `hidden beast` number, since 3 + 8 + 98 + 4 + 404 + 3 + 2 + 8 + 80 + 56 = 666.

It is a super-4 number, since 4×389844043288056⁴ (a number of 59 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1448367466 + ... + 1448636601.

It is an arithmetic number, because the mean of its divisors is an integer number (9777388729500).

Almost surely, 2^{389844043288056} is an apocalyptic number.

389844043288056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

389844043288056 is an abundant number, since it is smaller than the sum of its proper divisors (861661714087944).

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

389844043288056 is a wasteful number, since it uses less digits than its factorization.

389844043288056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897004178 (or 2897004168 counting only the distinct ones).

The product of its (nonzero) digits is 1274019840, while the sum is 72.

The spelling of 389844043288056 in words is "three hundred eighty-nine trillion, eight hundred forty-four billion, forty-three million, two hundred eighty-eight thousand, fifty-six".