2256500424156 has 288 divisors, whose sum is σ = 6174869863680. Its totient is φ = 638640752640.

The previous prime is 2256500424149. The next prime is 2256500424179. The reversal of 2256500424156 is 6514240056522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2214425815 + ... + 2214426833.

It is an arithmetic number, because the mean of its divisors is an integer number (21440520360).

Almost surely, 2^{2256500424156} 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 2256500424156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3087434931840).

2256500424156 is an abundant number, since it is smaller than the sum of its proper divisors (3918369439524).

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

2256500424156 is a wasteful number, since it uses less digits than its factorization.

2256500424156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 2256500424156 in words is "two trillion, two hundred fifty-six billion, five hundred million, four hundred twenty-four thousand, one hundred fifty-six".