2255651256 has 64 divisors (see below), whose sum is σ = 6055015680. Its totient is φ = 697679360.

The previous prime is 2255651249. The next prime is 2255651257. The reversal of 2255651256 is 6521565522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255651257) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9966 + ... + 67901.

It is an arithmetic number, because the mean of its divisors is an integer number (94609620).

Almost surely, 2^2255651256 is an apocalyptic number.

It is an amenable number.

2255651256 is an abundant number, since it is smaller than the sum of its proper divisors (3799364424).

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

2255651256 is a wasteful number, since it uses less digits than its factorization.

2255651256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77964 (or 77960 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 2255651256 is about 47493.6970133933. The cubic root of 2255651256 is about 1311.4668525211.

The spelling of 2255651256 in words is "two billion, two hundred fifty-five million, six hundred fifty-one thousand, two hundred fifty-six".