42582866 has 8 divisors (see below), whose sum is σ = 63917580. Its totient is φ = 21277008.

The previous prime is 42582863. The next prime is 42582907. The reversal of 42582866 is 66828524.

It can be written as a sum of positive squares in 2 ways, for example, as 42445225 + 137641 = 6515^2 + 371^2 .

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

It is not an unprimeable number, because it can be changed into a prime (42582863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041 + ... + 9716.

Almost surely, 2^42582866 is an apocalyptic number.

42582866 is a deficient number, since it is larger than the sum of its proper divisors (21334714).

42582866 is a wasteful number, since it uses less digits than its factorization.

42582866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428.

The product of its digits is 184320, while the sum is 41.

The square root of 42582866 is about 6525.5548423103. The cubic root of 42582866 is about 349.2032652522.

The spelling of 42582866 in words is "forty-two million, five hundred eighty-two thousand, eight hundred sixty-six".