263256368 has 20 divisors (see below), whose sum is σ = 511909200. Its totient is φ = 131150784.

The previous prime is 263256341. The next prime is 263256391. The reversal of 263256368 is 863652362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25268 + ... + 34131.

It is an arithmetic number, because the mean of its divisors is an integer number (25595460).

Almost surely, 2^263256368 is an apocalyptic number.

It is an amenable number.

263256368 is a deficient number, since it is larger than the sum of its proper divisors (248652832).

263256368 is a wasteful number, since it uses less digits than its factorization.

263256368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59684 (or 59678 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 263256368 is about 16225.1769790040. The cubic root of 263256368 is about 640.9039699795.

The spelling of 263256368 in words is "two hundred sixty-three million, two hundred fifty-six thousand, three hundred sixty-eight".