8718840144 has 120 divisors (see below), whose sum is σ = 28200070080. Its totient is φ = 2463081984.

The previous prime is 8718840127. The next prime is 8718840157. The reversal of 8718840144 is 4410488178.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8718840144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41119 + ... + 138305.

It is an arithmetic number, because the mean of its divisors is an integer number (235000584).

Almost surely, 2^8718840144 is an apocalyptic number.

8718840144 is a gapful number since it is divisible by the number (84) 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 8718840144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14100035040).

8718840144 is an abundant number, since it is smaller than the sum of its proper divisors (19481229936).

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

8718840144 is a wasteful number, since it uses less digits than its factorization.

8718840144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97297 (or 97288 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 8718840144 is about 93374.7296863557. The cubic root of 8718840144 is about 2058.1936709112.

The spelling of 8718840144 in words is "eight billion, seven hundred eighteen million, eight hundred forty thousand, one hundred forty-four".