389802626920 has 64 divisors (see below), whose sum is σ = 1002893633280. Its totient is φ = 133574078976.

The previous prime is 389802626891. The next prime is 389802626929. The reversal of 389802626920 is 29626208983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (389802626929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140292 + ... + 894028.

It is an arithmetic number, because the mean of its divisors is an integer number (15670213020).

Almost surely, 2^389802626920 is an apocalyptic number.

It is an amenable number.

389802626920 is an abundant number, since it is smaller than the sum of its proper divisors (613091006360).

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

389802626920 is a wasteful number, since it uses less digits than its factorization.

389802626920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755602 (or 755598 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 389802626920 in words is "three hundred eighty-nine billion, eight hundred two million, six hundred twenty-six thousand, nine hundred twenty".