42635266 has 8 divisors (see below), whose sum is σ = 63995004. Its totient is φ = 21303600.

The previous prime is 42635237. The next prime is 42635291. The reversal of 42635266 is 66253624.

It can be written as a sum of positive squares in 2 ways, for example, as 42185025 + 450241 = 6495^2 + 671^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2685 + ... + 9616.

Almost surely, 2^42635266 is an apocalyptic number.

42635266 is a deficient number, since it is larger than the sum of its proper divisors (21359738).

42635266 is a wasteful number, since it uses less digits than its factorization.

42635266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14036.

The product of its digits is 51840, while the sum is 34.

The square root of 42635266 is about 6529.5685921813. The cubic root of 42635266 is about 349.3464429538.

The spelling of 42635266 in words is "forty-two million, six hundred thirty-five thousand, two hundred sixty-six".