255512244 has 192 divisors, whose sum is σ = 731566080. Its totient is φ = 68597760.

The previous prime is 255512239. The next prime is 255512249. The reversal of 255512244 is 442215552.

255512244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255512239) and next prime (255512249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255512249) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3598729 + ... + 3598799.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^255512244 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 255512244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365783040).

255512244 is an abundant number, since it is smaller than the sum of its proper divisors (476053836).

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

255512244 is a wasteful number, since it uses less digits than its factorization.

255512244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 255512244 is about 15984.7503577629. The cubic root of 255512244 is about 634.5569017023.

Adding to 255512244 its reverse (442215552), we get a palindrome (697727796).

The spelling of 255512244 in words is "two hundred fifty-five million, five hundred twelve thousand, two hundred forty-four".