42263418 has 16 divisors (see below), whose sum is σ = 84651840. Its totient is φ = 14066976.

The previous prime is 42263407. The next prime is 42263437. The reversal of 42263418 is 81436224.

42263418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (5290740).

Almost surely, 2^42263418 is an apocalyptic number.

42263418 is an abundant number, since it is smaller than the sum of its proper divisors (42388422).

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

42263418 is a wasteful number, since it uses less digits than its factorization.

42263418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421.

The product of its digits is 9216, while the sum is 30.

The square root of 42263418 is about 6501.0320719098. The cubic root of 42263418 is about 348.3278552489.

The spelling of 42263418 in words is "forty-two million, two hundred sixty-three thousand, four hundred eighteen".