263089042 has 32 divisors (see below), whose sum is σ = 440463744. Its totient is φ = 117216000.

The previous prime is 263089037. The next prime is 263089051. The reversal of 263089042 is 240980362.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 263088989 and 263089007.

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, 77317 + ... + 80647.

It is an arithmetic number, because the mean of its divisors is an integer number (13764492).

Almost surely, 2^263089042 is an apocalyptic number.

263089042 is a deficient number, since it is larger than the sum of its proper divisors (177374702).

263089042 is a wasteful number, since it uses less digits than its factorization.

263089042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 263089042 is about 16220.0197903702. The cubic root of 263089042 is about 640.7681548080.

The spelling of 263089042 in words is "two hundred sixty-three million, eighty-nine thousand, forty-two".