2256236468 has 12 divisors (see below), whose sum is σ = 4055127972. Its totient is φ = 1097628480.

The previous prime is 2256236443. The next prime is 2256236473. The reversal of 2256236468 is 8646326522.

It can be written as a sum of positive squares in 2 ways, for example, as 1762152484 + 494083984 = 41978^2 + 22228^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7622273 + ... + 7622568.

It is an arithmetic number, because the mean of its divisors is an integer number (337927331).

Almost surely, 2^2256236468 is an apocalyptic number.

It is an amenable number.

2256236468 is a deficient number, since it is larger than the sum of its proper divisors (1798891504).

2256236468 is a wasteful number, since it uses less digits than its factorization.

2256236468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244882 (or 15244880 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 2256236468 is about 47499.8575576812. The cubic root of 2256236468 is about 1311.5802594990.

The spelling of 2256236468 in words is "two billion, two hundred fifty-six million, two hundred thirty-six thousand, four hundred sixty-eight".