389314042128 has 240 divisors, whose sum is σ = 1244220936192. Its totient is φ = 112559328000.

The previous prime is 389314042099. The next prime is 389314042129. The reversal of 389314042128 is 821240413983.

389314042128 is a `hidden beast` number, since 3 + 89 + 3 + 140 + 421 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (389314042129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3430551 + ... + 3542217.

Almost surely, 2^389314042128 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 389314042128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622110468096).

389314042128 is an abundant number, since it is smaller than the sum of its proper divisors (854906894064).

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

389314042128 is a wasteful number, since it uses less digits than its factorization.

389314042128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111794 (or 111785 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 389314042128 in words is "three hundred eighty-nine billion, three hundred fourteen million, forty-two thousand, one hundred twenty-eight".