255974244 has 12 divisors (see below), whose sum is σ = 597273264. Its totient is φ = 85324744.

The previous prime is 255974231. The next prime is 255974249. The reversal of 255974244 is 442479552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 255974196 and 255974205.

It is not an unprimeable number, because it can be changed into a prime (255974249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10665582 + ... + 10665605.

It is an arithmetic number, because the mean of its divisors is an integer number (49772772).

Almost surely, 2^255974244 is an apocalyptic number.

It is an amenable number.

255974244 is an abundant number, since it is smaller than the sum of its proper divisors (341299020).

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

255974244 is a wasteful number, since it uses less digits than its factorization.

255974244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331194 (or 21331192 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 255974244 is about 15999.1951047545. The cubic root of 255974244 is about 634.9391257494.

The spelling of 255974244 in words is "two hundred fifty-five million, nine hundred seventy-four thousand, two hundred forty-four".