42418118 has 16 divisors (see below), whose sum is σ = 66653280. Its totient is φ = 20207616.

The previous prime is 42418093. The next prime is 42418121. The reversal of 42418118 is 81181424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11078 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (4165830).

Almost surely, 2^42418118 is an apocalyptic number.

42418118 is a deficient number, since it is larger than the sum of its proper divisors (24235162).

42418118 is a wasteful number, since it uses less digits than its factorization.

42418118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its digits is 2048, while the sum is 29.

The square root of 42418118 is about 6512.9193147159. The cubic root of 42418118 is about 348.7523413811.

The spelling of 42418118 in words is "forty-two million, four hundred eighteen thousand, one hundred eighteen".