263314560 has 64 divisors (see below), whose sum is σ = 839321280. Its totient is φ = 70216704.

The previous prime is 263314543. The next prime is 263314619. The reversal of 263314560 is 65413362.

263314560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66652 + ... + 70491.

It is an arithmetic number, because the mean of its divisors is an integer number (13114395).

Almost surely, 2^263314560 is an apocalyptic number.

263314560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263314560 is an abundant number, since it is smaller than the sum of its proper divisors (576006720).

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

263314560 is a wasteful number, since it uses less digits than its factorization.

263314560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137165 (or 137153 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 263314560 is about 16226.9701423279. The cubic root of 263314560 is about 640.9511897757.

The spelling of 263314560 in words is "two hundred sixty-three million, three hundred fourteen thousand, five hundred sixty".