42636266 has 12 divisors (see below), whose sum is σ = 67498722. Its totient is φ = 20195784.

The previous prime is 42636259. The next prime is 42636271. The reversal of 42636266 is 66263624.

42636266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 20967241 = 4655^2 + 4579^2 .

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 5 ways as a sum of consecutive naturals, for example, 28805 + ... + 30248.

Almost surely, 2^42636266 is an apocalyptic number.

42636266 is a deficient number, since it is larger than the sum of its proper divisors (24862456).

42636266 is a wasteful number, since it uses less digits than its factorization.

42636266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59093 (or 59074 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 42636266 is about 6529.6451664696. The cubic root of 42636266 is about 349.3491742116.

The spelling of 42636266 in words is "forty-two million, six hundred thirty-six thousand, two hundred sixty-six".