263043342 has 16 divisors (see below), whose sum is σ = 584540880. Its totient is φ = 87681096.

The previous prime is 263043317. The next prime is 263043379. The reversal of 263043342 is 243340362.

It is a happy number.

263043342 is a `hidden beast` number, since 26 + 304 + 334 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2435533 + ... + 2435640.

It is an arithmetic number, because the mean of its divisors is an integer number (36533805).

Almost surely, 2^263043342 is an apocalyptic number.

263043342 is an abundant number, since it is smaller than the sum of its proper divisors (321497538).

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

263043342 is a wasteful number, since it uses less digits than its factorization.

263043342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871184 (or 4871178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 263043342 is about 16218.6109762828. The cubic root of 263043342 is about 640.7310510197.

It can be divided in two parts, 26304 and 3342, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 263043342 in words is "two hundred sixty-three million, forty-three thousand, three hundred forty-two".