263040834 has 32 divisors (see below), whose sum is σ = 627379200. Its totient is φ = 71886672.

The previous prime is 263040823. The next prime is 263040851. The reversal of 263040834 is 438040362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135184 + ... + 137115.

It is an arithmetic number, because the mean of its divisors is an integer number (19605600).

Almost surely, 2^263040834 is an apocalyptic number.

263040834 is an abundant number, since it is smaller than the sum of its proper divisors (364338366).

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

263040834 is a wasteful number, since it uses less digits than its factorization.

263040834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272334.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 263040834 is about 16218.5336575166. The cubic root of 263040834 is about 640.7290146524.

The spelling of 263040834 in words is "two hundred sixty-three million, forty thousand, eight hundred thirty-four".