289261422464 has 288 divisors, whose sum is σ = 725775224760. Its totient is φ = 114437406720.

The previous prime is 289261422449. The next prime is 289261422487. The reversal of 289261422464 is 464224162982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 96066719 + ... + 96069729.

Almost surely, 2^289261422464 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 289261422464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362887612380).

289261422464 is an abundant number, since it is smaller than the sum of its proper divisors (436513802296).

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

289261422464 is a wasteful number, since it uses less digits than its factorization.

289261422464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3090 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 50.

The spelling of 289261422464 in words is "two hundred eighty-nine billion, two hundred sixty-one million, four hundred twenty-two thousand, four hundred sixty-four".