255965808 has 100 divisors (see below), whose sum is σ = 771753928. Its totient is φ = 73100160.

The previous prime is 255965797. The next prime is 255965849. The reversal of 255965808 is 808569552.

255965808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114138 + ... + 116358.

Almost surely, 2^255965808 is an apocalyptic number.

255965808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255965808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385876964).

255965808 is an abundant number, since it is smaller than the sum of its proper divisors (515788120).

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

255965808 is an equidigital number, since it uses as much as digits as its factorization.

255965808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The square root of 255965808 is about 15998.9314643197. The cubic root of 255965808 is about 634.9321505616.

The spelling of 255965808 in words is "two hundred fifty-five million, nine hundred sixty-five thousand, eight hundred eight".