389569460056 has 96 divisors (see below), whose sum is σ = 878347929600. Its totient is φ = 161344249920.

The previous prime is 389569460041. The next prime is 389569460083. The reversal of 389569460056 is 650064965983.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 389569459976 and 389569460003.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8714995 + ... + 8759581.

It is an arithmetic number, because the mean of its divisors is an integer number (9149457600).

Almost surely, 2^389569460056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389569460056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439173964800).

389569460056 is an abundant number, since it is smaller than the sum of its proper divisors (488778469544).

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

389569460056 is a wasteful number, since it uses less digits than its factorization.

389569460056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45357 (or 45346 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 389569460056 in words is "three hundred eighty-nine billion, five hundred sixty-nine million, four hundred sixty thousand, fifty-six".