289295314440 has 128 divisors (see below), whose sum is σ = 952593868800. Its totient is φ = 69701886720.

The previous prime is 289295314433. The next prime is 289295314453. The reversal of 289295314440 is 44413592982.

It is a super-5 number, since 5×289295314440⁵ (a number of 59 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457120 + ... + 887439.

It is an arithmetic number, because the mean of its divisors is an integer number (7442139600).

Almost surely, 2^289295314440 is an apocalyptic number.

289295314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289295314440 is an abundant number, since it is smaller than the sum of its proper divisors (663298554360).

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

289295314440 is a wasteful number, since it uses less digits than its factorization.

289295314440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344747 (or 1344743 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 289295314440 in words is "two hundred eighty-nine billion, two hundred ninety-five million, three hundred fourteen thousand, four hundred forty".