2256522717450 has 288 divisors, whose sum is σ = 6062512599360. Its totient is φ = 555040281600.

The previous prime is 2256522717433. The next prime is 2256522717499. The reversal of 2256522717450 is 547172256522.

It is a self number, because there is not a number n which added to its sum of digits gives 2256522717450.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 1836063436 + ... + 1836064664.

It is an arithmetic number, because the mean of its divisors is an integer number (21050390970).

Almost surely, 2^{2256522717450} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256522717450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3031256299680).

2256522717450 is an abundant number, since it is smaller than the sum of its proper divisors (3805989881910).

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

2256522717450 is a wasteful number, since it uses less digits than its factorization.

2256522717450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2126 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 2256522717450 in words is "two trillion, two hundred fifty-six billion, five hundred twenty-two million, seven hundred seventeen thousand, four hundred fifty".