255938244 has 24 divisors (see below), whose sum is σ = 605602368. Its totient is φ = 84110880.

The previous prime is 255938239. The next prime is 255938251. The reversal of 255938244 is 442839552.

255938244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255938196 and 255938205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149347 + ... + 151050.

It is an arithmetic number, because the mean of its divisors is an integer number (25233432).

Almost surely, 2^255938244 is an apocalyptic number.

It is an amenable number.

255938244 is an abundant number, since it is smaller than the sum of its proper divisors (349664124).

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

255938244 is a wasteful number, since it uses less digits than its factorization.

255938244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300475 (or 300473 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 255938244 is about 15998.0700085979. The cubic root of 255938244 is about 634.9093585877.

The spelling of 255938244 in words is "two hundred fifty-five million, nine hundred thirty-eight thousand, two hundred forty-four".