263304442 has 8 divisors (see below), whose sum is σ = 395219232. Its totient is φ = 131564700.

The previous prime is 263304409. The next prime is 263304473. The reversal of 263304442 is 244403362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 263304442.

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, 39934 + ... + 46057.

It is an arithmetic number, because the mean of its divisors is an integer number (49402404).

Almost surely, 2^263304442 is an apocalyptic number.

263304442 is a deficient number, since it is larger than the sum of its proper divisors (131914790).

263304442 is a wasteful number, since it uses less digits than its factorization.

263304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87524.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 263304442 is about 16226.6583744158. The cubic root of 263304442 is about 640.9429800421.

The spelling of 263304442 in words is "two hundred sixty-three million, three hundred four thousand, four hundred forty-two".