289393688320 has 72 divisors (see below), whose sum is σ = 756205475760. Its totient is φ = 105234063360.

The previous prime is 289393688303. The next prime is 289393688351. The reversal of 289393688320 is 23886393982.

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, 10262685 + ... + 10290844.

It is an arithmetic number, because the mean of its divisors is an integer number (10502853830).

Almost surely, 2^289393688320 is an apocalyptic number.

289393688320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289393688320 is an abundant number, since it is smaller than the sum of its proper divisors (466811787440).

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

289393688320 is a wasteful number, since it uses less digits than its factorization.

289393688320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20553561 (or 20553547 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 289393688320 in words is "two hundred eighty-nine billion, three hundred ninety-three million, six hundred eighty-eight thousand, three hundred twenty".