255649296 has 160 divisors (see below), whose sum is σ = 779950080. Its totient is φ = 70659072.

The previous prime is 255649271. The next prime is 255649333. The reversal of 255649296 is 692946552.

255649296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481981 + ... + 2482083.

It is an arithmetic number, because the mean of its divisors is an integer number (4874688).

Almost surely, 2^255649296 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 255649296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389975040).

255649296 is an abundant number, since it is smaller than the sum of its proper divisors (524300784).

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

255649296 is a wasteful number, since it uses less digits than its factorization.

255649296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 287 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 255649296 is about 15989.0367439693. The cubic root of 255649296 is about 634.6703362505.

The spelling of 255649296 in words is "two hundred fifty-five million, six hundred forty-nine thousand, two hundred ninety-six".