2255941688 has 128 divisors (see below), whose sum is σ = 5818659840. Its totient is φ = 791424000.

The previous prime is 2255941619. The next prime is 2255941733. The reversal of 2255941688 is 8861495522.

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 31 ways as a sum of consecutive naturals, for example, 324893 + ... + 331763.

It is an arithmetic number, because the mean of its divisors is an integer number (45458280).

Almost surely, 2^2255941688 is an apocalyptic number.

2255941688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255941688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2909329920).

2255941688 is an abundant number, since it is smaller than the sum of its proper divisors (3562718152).

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

2255941688 is a wasteful number, since it uses less digits than its factorization.

2255941688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6945 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The square root of 2255941688 is about 47496.7544996498. The cubic root of 2255941688 is about 1311.5231371667.

The spelling of 2255941688 in words is "two billion, two hundred fifty-five million, nine hundred forty-one thousand, six hundred eighty-eight".