2256552320 has 64 divisors (see below), whose sum is σ = 5885004240. Its totient is φ = 820561920.

The previous prime is 2256552313. The next prime is 2256552329. The reversal of 2256552320 is 232556522.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256552329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153227 + ... + 167306.

Almost surely, 2^2256552320 is an apocalyptic number.

2256552320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256552320 is an abundant number, since it is smaller than the sum of its proper divisors (3628451920).

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

2256552320 is a wasteful number, since it uses less digits than its factorization.

2256552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320563 (or 320551 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2256552320 is about 47503.1822091952. The cubic root of 2256552320 is about 1311.6414596324.

The spelling of 2256552320 in words is "two billion, two hundred fifty-six million, five hundred fifty-two thousand, three hundred twenty".