289528943525444 has 24 divisors (see below), whose sum is σ = 579063593642688. Its totient is φ = 124082610098400.

The previous prime is 289528943525369. The next prime is 289528943525531. The reversal of 289528943525444 is 444525349825982.

It is a super-2 number, since 2×289528943525444² (a number of 30 digits) contains 22 as substring.

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, 48056882 + ... + 53744969.

It is an arithmetic number, because the mean of its divisors is an integer number (24127649735112).

Almost surely, 2^{289528943525444} is an apocalyptic number.

It is an amenable number.

289528943525444 is an abundant number, since it is smaller than the sum of its proper divisors (289534650117244).

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

289528943525444 is a wasteful number, since it uses less digits than its factorization.

289528943525444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101903435 (or 101903433 counting only the distinct ones).

The product of its digits is 3981312000, while the sum is 74.

The spelling of 289528943525444 in words is "two hundred eighty-nine trillion, five hundred twenty-eight billion, nine hundred forty-three million, five hundred twenty-five thousand, four hundred forty-four".