255809848 has 16 divisors (see below), whose sum is σ = 548164080. Its totient is φ = 109632768.

The previous prime is 255809839. The next prime is 255809867. The reversal of 255809848 is 848908552.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2283961 + ... + 2284072.

It is an arithmetic number, because the mean of its divisors is an integer number (34260255).

Almost surely, 2^255809848 is an apocalyptic number.

255809848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

255809848 is an abundant number, since it is smaller than the sum of its proper divisors (292354232).

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

255809848 is a wasteful number, since it uses less digits than its factorization.

255809848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568046 (or 4568042 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The square root of 255809848 is about 15994.0566461420. The cubic root of 255809848 is about 634.8031696148.

The spelling of 255809848 in words is "two hundred fifty-five million, eight hundred nine thousand, eight hundred forty-eight".