263757056 has 36 divisors (see below), whose sum is σ = 531748644. Its totient is φ = 130572800.

The previous prime is 263757049. The next prime is 263757061. The reversal of 263757056 is 650757362.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 240870400 + 22886656 = 15520^2 + 4784^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2611406 + ... + 2611506.

Almost surely, 2^263757056 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 263757056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265874322).

263757056 is an abundant number, since it is smaller than the sum of its proper divisors (267991588).

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

263757056 is an frugal number, since it uses more digits than its factorization.

263757056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 263757056 is about 16240.5990037314. The cubic root of 263757056 is about 641.3100249952.

The spelling of 263757056 in words is "two hundred sixty-three million, seven hundred fifty-seven thousand, fifty-six".