263808960 has 112 divisors (see below), whose sum is σ = 846527136. Its totient is φ = 69599232.

The previous prime is 263808893. The next prime is 263808989. The reversal of 263808960 is 69808362.

263808960 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91704 + ... + 94536.

It is an arithmetic number, because the mean of its divisors is an integer number (7558278).

Almost surely, 2^263808960 is an apocalyptic number.

263808960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263808960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423263568).

263808960 is an abundant number, since it is smaller than the sum of its proper divisors (582718176).

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

263808960 is a wasteful number, since it uses less digits than its factorization.

263808960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2940 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 263808960 is about 16242.1968957404. The cubic root of 263808960 is about 641.3520894273.

The spelling of 263808960 in words is "two hundred sixty-three million, eight hundred eight thousand, nine hundred sixty".