289980632512 has 28 divisors (see below), whose sum is σ = 593992590016. Its totient is φ = 140313208320.

The previous prime is 289980632503. The next prime is 289980632527. The reversal of 289980632512 is 215236089982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73077813 + ... + 73081780.

It is an arithmetic number, because the mean of its divisors is an integer number (21214021072).

Almost surely, 2^289980632512 is an apocalyptic number.

It is an amenable number.

289980632512 is an abundant number, since it is smaller than the sum of its proper divisors (304011957504).

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

289980632512 is a wasteful number, since it uses less digits than its factorization.

289980632512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146159636 (or 146159626 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 289980632512 in words is "two hundred eighty-nine billion, nine hundred eighty million, six hundred thirty-two thousand, five hundred twelve".