42865118 has 8 divisors (see below), whose sum is σ = 64342512. Its totient is φ = 21417616.

The previous prime is 42865117. The next prime is 42865133. The reversal of 42865118 is 81156824.

42865118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865117) 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 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (8042814).

Almost surely, 2^42865118 is an apocalyptic number.

42865118 is a deficient number, since it is larger than the sum of its proper divisors (21477394).

42865118 is a wasteful number, since it uses less digits than its factorization.

42865118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946.

The product of its digits is 15360, while the sum is 35.

The square root of 42865118 is about 6547.1457903425. The cubic root of 42865118 is about 349.9731081379.

The spelling of 42865118 in words is "forty-two million, eight hundred sixty-five thousand, one hundred eighteen".