255668970 has 32 divisors (see below), whose sum is σ = 627878592. Its totient is φ = 66592512.

The previous prime is 255668953. The next prime is 255668981. The reversal of 255668970 is 79866552.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 97807 + ... + 100386.

It is an arithmetic number, because the mean of its divisors is an integer number (19621206).

Almost surely, 2^255668970 is an apocalyptic number.

255668970 is an abundant number, since it is smaller than the sum of its proper divisors (372209622).

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

255668970 is a wasteful number, since it uses less digits than its factorization.

255668970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198246.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 255668970 is about 15989.6519661936. The cubic root of 255668970 is about 634.6866166056.

The spelling of 255668970 in words is "two hundred fifty-five million, six hundred sixty-eight thousand, nine hundred seventy".