2868287488944 has 160 divisors (see below), whose sum is σ = 7884609638400. Its totient is φ = 896934635520.

The previous prime is 2868287488883. The next prime is 2868287488967. The reversal of 2868287488944 is 4498847828682.

It is a self number, because there is not a number n which added to its sum of digits gives 2868287488944.

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, 11307052 + ... + 11557940.

It is an arithmetic number, because the mean of its divisors is an integer number (49278810240).

Almost surely, 2^{2868287488944} is an apocalyptic number.

2868287488944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2868287488944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3942304819200).

2868287488944 is an abundant number, since it is smaller than the sum of its proper divisors (5016322149456).

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

2868287488944 is a wasteful number, since it uses less digits than its factorization.

2868287488944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251163 (or 251157 counting only the distinct ones).

The product of its digits is 3170893824, while the sum is 78.

The spelling of 2868287488944 in words is "two trillion, eight hundred sixty-eight billion, two hundred eighty-seven million, four hundred eighty-eight thousand, nine hundred forty-four".