255279808 has 112 divisors (see below), whose sum is σ = 612648000. Its totient is φ = 105369600.

The previous prime is 255279799. The next prime is 255279809. The reversal of 255279808 is 808972552.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255279809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636408 + ... + 636808.

Almost surely, 2^255279808 is an apocalyptic number.

255279808 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 255279808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306324000).

255279808 is an abundant number, since it is smaller than the sum of its proper divisors (357368192).

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

255279808 is an equidigital number, since it uses as much as digits as its factorization.

255279808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 255279808 is about 15977.4781489445. The cubic root of 255279808 is about 634.3644274100.

The spelling of 255279808 in words is "two hundred fifty-five million, two hundred seventy-nine thousand, eight hundred eight".