255988068 has 48 divisors (see below), whose sum is σ = 712320000. Its totient is φ = 69958944.

The previous prime is 255988067. The next prime is 255988081. The reversal of 255988068 is 860889552.

It is a self number, because there is not a number n which added to its sum of digits gives 255988068.

It is not an unprimeable number, because it can be changed into a prime (255988067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64318 + ... + 68181.

It is an arithmetic number, because the mean of its divisors is an integer number (14840000).

Almost surely, 2^255988068 is an apocalyptic number.

255988068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255988068 is an abundant number, since it is smaller than the sum of its proper divisors (456331932).

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

255988068 is a wasteful number, since it uses less digits than its factorization.

255988068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132536 (or 132534 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 255988068 is about 15999.6271206550. The cubic root of 255988068 is about 634.9505555979.

The spelling of 255988068 in words is "two hundred fifty-five million, nine hundred eighty-eight thousand, sixty-eight".