255775808 has 28 divisors (see below), whose sum is σ = 512800092. Its totient is φ = 126566400.

The previous prime is 255775799. The next prime is 255775811. The reversal of 255775808 is 808577552.

255775808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 170250304 + 85525504 = 13048^2 + 9248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14393 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (18314289).

Almost surely, 2^255775808 is an apocalyptic number.

It is an amenable number.

255775808 is an abundant number, since it is smaller than the sum of its proper divisors (257024284).

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

255775808 is an equidigital number, since it uses as much as digits as its factorization.

255775808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41310 (or 41300 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 47.

The square root of 255775808 is about 15992.9924654519. The cubic root of 255775808 is about 634.7750111231.

The spelling of 255775808 in words is "two hundred fifty-five million, seven hundred seventy-five thousand, eight hundred eight".