255648208 has 20 divisors (see below), whose sum is σ = 496709280. Its totient is φ = 127465184.

The previous prime is 255648199. The next prime is 255648229. The reversal of 255648208 is 802846552.

It is a super-2 number, since 2×255648208² = 130712012507222528, which contains 22 as substring.

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, 16510 + ... + 27997.

It is an arithmetic number, because the mean of its divisors is an integer number (24835464).

Almost surely, 2^255648208 is an apocalyptic number.

It is an amenable number.

255648208 is a deficient number, since it is larger than the sum of its proper divisors (241061072).

255648208 is a wasteful number, since it uses less digits than its factorization.

255648208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44874 (or 44868 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 255648208 is about 15989.0027206202. The cubic root of 255648208 is about 634.6694358995.

The spelling of 255648208 in words is "two hundred fifty-five million, six hundred forty-eight thousand, two hundred eight".