255817848 has 128 divisors (see below), whose sum is σ = 758419200. Its totient is φ = 70886400.

The previous prime is 255817829. The next prime is 255817867. The reversal of 255817848 is 848718552.

It is an interprime number because it is at equal distance from previous prime (255817829) and next prime (255817867).

It is a super-2 number, since 2×255817848² = 130885542710702208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255817797 and 255817806.

It is a congruent number.

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, 449308 + ... + 449876.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^255817848 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 255817848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379209600).

255817848 is an abundant number, since it is smaller than the sum of its proper divisors (502601352).

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

255817848 is a wasteful number, since it uses less digits than its factorization.

255817848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 729 counting only the distinct ones).

The product of its digits is 716800, while the sum is 48.

The square root of 255817848 is about 15994.3067370862. The cubic root of 255817848 is about 634.8097869941.

The spelling of 255817848 in words is "two hundred fifty-five million, eight hundred seventeen thousand, eight hundred forty-eight".