2256656422626 has 24 divisors (see below), whose sum is σ = 4892283300060. Its totient is φ = 751778645856.

The previous prime is 2256656422621. The next prime is 2256656422639. The reversal of 2256656422626 is 6262246566522.

2256656422626 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 6 + 5 + 6 + 4 + 2 + 2 + 626 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2220442713225 + 36213709401 = 1490115^2 + 190299^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2256656422621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36648525 + ... + 36710048.

Almost surely, 2^{2256656422626} is an apocalyptic number.

2256656422626 is an abundant number, since it is smaller than the sum of its proper divisors (2635626877434).

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

2256656422626 is a wasteful number, since it uses less digits than its factorization.

2256656422626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73360290 (or 73360287 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 2256656422626 in words is "two trillion, two hundred fifty-six billion, six hundred fifty-six million, four hundred twenty-two thousand, six hundred twenty-six".