2256387184 has 20 divisors (see below), whose sum is σ = 4373155120. Its totient is φ = 1127831040.

The previous prime is 2256387127. The next prime is 2256387187. The reversal of 2256387184 is 4817836522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256387187) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32797 + ... + 74755.

It is an arithmetic number, because the mean of its divisors is an integer number (218657756).

Almost surely, 2^2256387184 is an apocalyptic number.

It is an amenable number.

2256387184 is a deficient number, since it is larger than the sum of its proper divisors (2116767936).

2256387184 is a wasteful number, since it uses less digits than its factorization.

2256387184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45328 (or 45322 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 2256387184 is about 47501.4440201559. Note that the first 3 decimals coincide. The cubic root of 2256387184 is about 1311.6094632537.

The spelling of 2256387184 in words is "two billion, two hundred fifty-six million, three hundred eighty-seven thousand, one hundred eighty-four".