2918115872 has 48 divisors (see below), whose sum is σ = 6594799680. Its totient is φ = 1245090048.

The previous prime is 2918115857. The next prime is 2918115881. The reversal of 2918115872 is 2785118192.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22154 + ... + 79542.

It is an arithmetic number, because the mean of its divisors is an integer number (137391660).

Almost surely, 2^2918115872 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 2918115872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297399840).

2918115872 is an abundant number, since it is smaller than the sum of its proper divisors (3676683808).

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

2918115872 is a wasteful number, since it uses less digits than its factorization.

2918115872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57633 (or 57625 counting only the distinct ones).

The product of its digits is 80640, while the sum is 44.

The square root of 2918115872 is about 54019.5878547773. The cubic root of 2918115872 is about 1429.0064123466.

The spelling of 2918115872 in words is "two billion, nine hundred eighteen million, one hundred fifteen thousand, eight hundred seventy-two".