42418586 has 32 divisors (see below), whose sum is σ = 74321280. Its totient is φ = 17784000.

The previous prime is 42418577. The next prime is 42418609. The reversal of 42418586 is 68581424.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185120 + ... + 185348.

It is an arithmetic number, because the mean of its divisors is an integer number (2322540).

Almost surely, 2^42418586 is an apocalyptic number.

42418586 is a deficient number, since it is larger than the sum of its proper divisors (31902694).

42418586 is a wasteful number, since it uses less digits than its factorization.

42418586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its digits is 61440, while the sum is 38.

The square root of 42418586 is about 6512.9552432057. The cubic root of 42418586 is about 348.7536239737.

The spelling of 42418586 in words is "forty-two million, four hundred eighteen thousand, five hundred eighty-six".