260288256 has 72 divisors (see below), whose sum is σ = 707583744. Its totient is φ = 84904960.

The previous prime is 260288251. The next prime is 260288299. The reversal of 260288256 is 652882062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260288251) 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 7 ways as a sum of consecutive naturals, for example, 32491 + ... + 39701.

It is an arithmetic number, because the mean of its divisors is an integer number (9827552).

Almost surely, 2^260288256 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 260288256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353791872).

260288256 is an abundant number, since it is smaller than the sum of its proper divisors (447295488).

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

260288256 is an equidigital number, since it uses as much as digits as its factorization.

260288256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277 (or 7263 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 260288256 is about 16133.4514596226. The cubic root of 260288256 is about 638.4862139456.

The spelling of 260288256 in words is "two hundred sixty million, two hundred eighty-eight thousand, two hundred fifty-six".