289032638336 has 64 divisors (see below), whose sum is σ = 636859668480. Its totient is φ = 129794254848.

The previous prime is 289032638333. The next prime is 289032638357. The reversal of 289032638336 is 633836230982.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289032638333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285696 + ... + 2408831.

It is an arithmetic number, because the mean of its divisors is an integer number (9950932320).

Almost surely, 2^289032638336 is an apocalyptic number.

289032638336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

289032638336 is an abundant number, since it is smaller than the sum of its proper divisors (347827030144).

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

289032638336 is a wasteful number, since it uses less digits than its factorization.

289032638336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694591 (or 4694579 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 53.

The spelling of 289032638336 in words is "two hundred eighty-nine billion, thirty-two million, six hundred thirty-eight thousand, three hundred thirty-six".