389155930720 has 48 divisors (see below), whose sum is σ = 949038346368. Its totient is φ = 150641003520.

The previous prime is 389155930663. The next prime is 389155930733. The reversal of 389155930720 is 27039551983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39224469 + ... + 39234388.

It is an arithmetic number, because the mean of its divisors is an integer number (19771632216).

Almost surely, 2^389155930720 is an apocalyptic number.

It is an amenable number.

389155930720 is an abundant number, since it is smaller than the sum of its proper divisors (559882415648).

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

389155930720 is a wasteful number, since it uses less digits than its factorization.

389155930720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78458903 (or 78458895 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 389155930720 in words is "three hundred eighty-nine billion, one hundred fifty-five million, nine hundred thirty thousand, seven hundred twenty".