255668236 has 24 divisors (see below), whose sum is σ = 474495840. Its totient is φ = 120122112.

The previous prime is 255668227. The next prime is 255668249. The reversal of 255668236 is 632866552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255668192 and 255668201.

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, 45561 + ... + 50863.

It is an arithmetic number, because the mean of its divisors is an integer number (19770660).

Almost surely, 2^255668236 is an apocalyptic number.

It is an amenable number.

255668236 is a deficient number, since it is larger than the sum of its proper divisors (218827604).

255668236 is a wasteful number, since it uses less digits than its factorization.

255668236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033 (or 6031 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 255668236 is about 15989.6290138327. The cubic root of 255668236 is about 634.6860092311.

The spelling of 255668236 in words is "two hundred fifty-five million, six hundred sixty-eight thousand, two hundred thirty-six".