2256351156 has 72 divisors (see below), whose sum is σ = 6012013280. Its totient is φ = 711550656.

The previous prime is 2256351113. The next prime is 2256351157. The reversal of 2256351156 is 6511536522.

2256351156 is a `hidden beast` number, since 2 + 2 + 5 + 635 + 1 + 15 + 6 = 666.

It is a super-2 number, since 2×2256351156² = 10182241078365072672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2256351156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256351157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618570 + ... + 622206.

Almost surely, 2^2256351156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256351156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3006006640).

2256351156 is an abundant number, since it is smaller than the sum of its proper divisors (3755662124).

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

2256351156 is a wasteful number, since it uses less digits than its factorization.

2256351156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4568 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2256351156 is about 47501.0647880655. The cubic root of 2256351156 is about 1311.6024823423.

Adding to 2256351156 its reverse (6511536522), we get a palindrome (8767887678).

The spelling of 2256351156 in words is "two billion, two hundred fifty-six million, three hundred fifty-one thousand, one hundred fifty-six".