2256798558294 has 96 divisors (see below), whose sum is σ = 5726645084160. Its totient is φ = 628926106176.

The previous prime is 2256798558293. The next prime is 2256798558359. The reversal of 2256798558294 is 4928558976522.

It is a happy number.

2256798558294 is a `hidden beast` number, since 2 + 2 + 5 + 67 + 9 + 8 + 558 + 2 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256798558293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1084827 + ... + 2385465.

It is an arithmetic number, because the mean of its divisors is an integer number (59652552960).

Almost surely, 2^{2256798558294} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256798558294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863322542080).

2256798558294 is an abundant number, since it is smaller than the sum of its proper divisors (3469846525866).

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

2256798558294 is a wasteful number, since it uses less digits than its factorization.

2256798558294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300994 (or 1300991 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 72.

The spelling of 2256798558294 in words is "two trillion, two hundred fifty-six billion, seven hundred ninety-eight million, five hundred fifty-eight thousand, two hundred ninety-four".