2256357880 has 48 divisors (see below), whose sum is σ = 5905676520. Its totient is φ = 773607744.

The previous prime is 2256357869. The next prime is 2256357881. The reversal of 2256357880 is 887536522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256357880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256357881) 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 11 ways as a sum of consecutive naturals, for example, 573642 + ... + 577561.

Almost surely, 2^2256357880 is an apocalyptic number.

2256357880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256357880 is an abundant number, since it is smaller than the sum of its proper divisors (3649318640).

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

2256357880 is a wasteful number, since it uses less digits than its factorization.

2256357880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151228 (or 1151217 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 2256357880 is about 47501.1355653736. The cubic root of 2256357880 is about 1311.6037852137.

The spelling of 2256357880 in words is "two billion, two hundred fifty-six million, three hundred fifty-seven thousand, eight hundred eighty".