2851688488 has 64 divisors (see below), whose sum is σ = 6146150400. Its totient is φ = 1227737280.

The previous prime is 2851688471. The next prime is 2851688509. The reversal of 2851688488 is 8848861582.

It is a super-2 number, since 2×2851688488² = 16264254465183452288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201633 + ... + 215311.

It is an arithmetic number, because the mean of its divisors is an integer number (96033600).

Almost surely, 2^2851688488 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 2851688488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3073075200).

2851688488 is an abundant number, since it is smaller than the sum of its proper divisors (3294461912).

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

2851688488 is a wasteful number, since it uses less digits than its factorization.

2851688488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822 (or 13818 counting only the distinct ones).

The product of its digits is 7864320, while the sum is 58.

The square root of 2851688488 is about 53401.2030576091. The cubic root of 2851688488 is about 1418.0798765118.

The spelling of 2851688488 in words is "two billion, eight hundred fifty-one million, six hundred eighty-eight thousand, four hundred eighty-eight".