2256545312 has 24 divisors (see below), whose sum is σ = 5077227456. Its totient is φ = 967090752.

The previous prime is 2256545309. The next prime is 2256545323. The reversal of 2256545312 is 2135456522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036708 + ... + 5037155.

It is an arithmetic number, because the mean of its divisors is an integer number (211551144).

Almost surely, 2^2256545312 is an apocalyptic number.

It is an amenable number.

2256545312 is an abundant number, since it is smaller than the sum of its proper divisors (2820682144).

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

2256545312 is a wasteful number, since it uses less digits than its factorization.

2256545312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073880 (or 10073872 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 2256545312 is about 47503.1084456586. The cubic root of 2256545312 is about 1311.6401018099.

The spelling of 2256545312 in words is "two billion, two hundred fifty-six million, five hundred forty-five thousand, three hundred twelve".