263089056 has 24 divisors (see below), whose sum is σ = 690609024. Its totient is φ = 87696320.

The previous prime is 263089051. The next prime is 263089069. The reversal of 263089056 is 650980362.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×263089056² = 138431702773942272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263089051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370160 + ... + 1370351.

It is an arithmetic number, because the mean of its divisors is an integer number (28775376).

Almost surely, 2^263089056 is an apocalyptic number.

It is an amenable number.

263089056 is an abundant number, since it is smaller than the sum of its proper divisors (427519968).

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

263089056 is a wasteful number, since it uses less digits than its factorization.

263089056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740524 (or 2740516 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 263089056 is about 16220.0202219356. The cubic root of 263089056 is about 640.7681661739.

The spelling of 263089056 in words is "two hundred sixty-three million, eighty-nine thousand, fifty-six".