42416066 has 60 divisors (see below), whose sum is σ = 82702326. Its totient is φ = 16299360.

The previous prime is 42416053. The next prime is 42416069. The reversal of 42416066 is 66061424.

42416066 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., 35153041 + 7263025 = 5929^2 + 2695^2 .

It is not an unprimeable number, because it can be changed into a prime (42416069) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 581006 + ... + 581078.

Almost surely, 2^42416066 is an apocalyptic number.

42416066 is a deficient number, since it is larger than the sum of its proper divisors (40286260).

42416066 is an equidigital number, since it uses as much as digits as its factorization.

42416066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 42416066 is about 6512.7617797675. The cubic root of 42416066 is about 348.7467175944.

The spelling of 42416066 in words is "forty-two million, four hundred sixteen thousand, sixty-six".