255226768 has 40 divisors (see below), whose sum is σ = 519216768. Its totient is φ = 121304832.

The previous prime is 255226759. The next prime is 255226771. The reversal of 255226768 is 867622552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59380 + ... + 63532.

Almost surely, 2^255226768 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 255226768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259608384).

255226768 is an abundant number, since it is smaller than the sum of its proper divisors (263990000).

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

255226768 is a wasteful number, since it uses less digits than its factorization.

255226768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4345 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 255226768 is about 15975.8182263069. The cubic root of 255226768 is about 634.3204899752.

The spelling of 255226768 in words is "two hundred fifty-five million, two hundred twenty-six thousand, seven hundred sixty-eight".