389475863140 has 192 divisors, whose sum is σ = 1053868806144. Its totient is φ = 117515515392.

The previous prime is 389475863087. The next prime is 389475863239. The reversal of 389475863140 is 41368574983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12835867 + ... + 12866173.

It is an arithmetic number, because the mean of its divisors is an integer number (5488900032).

Almost surely, 2^389475863140 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 389475863140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526934403072).

389475863140 is an abundant number, since it is smaller than the sum of its proper divisors (664392943004).

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

389475863140 is a wasteful number, since it uses less digits than its factorization.

389475863140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30666 (or 30664 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 389475863140 in words is "three hundred eighty-nine billion, four hundred seventy-five million, eight hundred sixty-three thousand, one hundred forty".