2518842312 has 128 divisors (see below), whose sum is σ = 8417280000. Its totient is φ = 681784128.

The previous prime is 2518842289. The next prime is 2518842323. The reversal of 2518842312 is 2132488152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 15112 + ... + 72567.

It is an arithmetic number, because the mean of its divisors is an integer number (65760000).

Almost surely, 2^2518842312 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 2518842312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208640000).

2518842312 is an abundant number, since it is smaller than the sum of its proper divisors (5898437688).

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

2518842312 is a wasteful number, since it uses less digits than its factorization.

2518842312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87720 (or 87710 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 2518842312 is about 50188.0694189366. The cubic root of 2518842312 is about 1360.6100046104.

The spelling of 2518842312 in words is "two billion, five hundred eighteen million, eight hundred forty-two thousand, three hundred twelve".