289404232572 has 144 divisors (see below), whose sum is σ = 850628661792. Its totient is φ = 75904335360.

The previous prime is 289404232531. The next prime is 289404232591. The reversal of 289404232572 is 275232404982.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1278978 + ... + 1488150.

Almost surely, 2^289404232572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289404232572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425314330896).

289404232572 is an abundant number, since it is smaller than the sum of its proper divisors (561224429220).

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

289404232572 is a wasteful number, since it uses less digits than its factorization.

289404232572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209388 (or 209379 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 289404232572 in words is "two hundred eighty-nine billion, four hundred four million, two hundred thirty-two thousand, five hundred seventy-two".