263090268 has 84 divisors (see below), whose sum is σ = 788971120. Its totient is φ = 75162816.

The previous prime is 263090231. The next prime is 263090293. The reversal of 263090268 is 862090362.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13968 + ... + 26856.

Almost surely, 2^263090268 is an apocalyptic number.

263090268 is a gapful number since it is divisible by the number (28) 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 263090268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394485560).

263090268 is an abundant number, since it is smaller than the sum of its proper divisors (525880852).

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

263090268 is a wasteful number, since it uses less digits than its factorization.

263090268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12918 (or 12901 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 263090268 is about 16220.0575831284. The cubic root of 263090268 is about 640.7691501371.

The spelling of 263090268 in words is "two hundred sixty-three million, ninety thousand, two hundred sixty-eight".