255804648 has 96 divisors (see below), whose sum is σ = 715327200. Its totient is φ = 76151680.

The previous prime is 255804641. The next prime is 255804649. The reversal of 255804648 is 846408552.

It is not an unprimeable number, because it can be changed into a prime (255804641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170590 + ... + 172082.

It is an arithmetic number, because the mean of its divisors is an integer number (7451325).

Almost surely, 2^255804648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255804648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357663600).

255804648 is an abundant number, since it is smaller than the sum of its proper divisors (459522552).

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

255804648 is a wasteful number, since it uses less digits than its factorization.

255804648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 255804648 is about 15993.8940849313. The cubic root of 255804648 is about 634.7988682442.

The spelling of 255804648 in words is "two hundred fifty-five million, eight hundred four thousand, six hundred forty-eight".