2815723288 has 64 divisors (see below), whose sum is σ = 6094344960. Its totient is φ = 1194673536.

The previous prime is 2815723283. The next prime is 2815723321. The reversal of 2815723288 is 8823275182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815723283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3404331 + ... + 3405157.

It is an arithmetic number, because the mean of its divisors is an integer number (95224140).

Almost surely, 2^2815723288 is an apocalyptic number.

2815723288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2815723288 is an abundant number, since it is smaller than the sum of its proper divisors (3278621672).

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

2815723288 is a wasteful number, since it uses less digits than its factorization.

2815723288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1372 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 2815723288 is about 53063.3893376592. The cubic root of 2815723288 is about 1412.0930783658.

The spelling of 2815723288 in words is "two billion, eight hundred fifteen million, seven hundred twenty-three thousand, two hundred eighty-eight".