2256768534 has 16 divisors (see below), whose sum is σ = 4516602480. Its totient is φ = 751745280.

The previous prime is 2256768517. The next prime is 2256768541. The reversal of 2256768534 is 4358676522.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118099 + ... + 135870.

It is an arithmetic number, because the mean of its divisors is an integer number (282287655).

Almost surely, 2^2256768534 is an apocalyptic number.

2256768534 is an abundant number, since it is smaller than the sum of its proper divisors (2259833946).

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

2256768534 is a wasteful number, since it uses less digits than its factorization.

2256768534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255455.

The product of its digits is 2419200, while the sum is 48.

The square root of 2256768534 is about 47505.4579390621. The cubic root of 2256768534 is about 1311.6833504093.

The spelling of 2256768534 in words is "two billion, two hundred fifty-six million, seven hundred sixty-eight thousand, five hundred thirty-four".