42165268 has 12 divisors (see below), whose sum is σ = 73997280. Its totient is φ = 21023192.

The previous prime is 42165247. The next prime is 42165293. The reversal of 42165268 is 86256124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13246 + ... + 16117.

It is an arithmetic number, because the mean of its divisors is an integer number (6166440).

Almost surely, 2^42165268 is an apocalyptic number.

It is an amenable number.

42165268 is a deficient number, since it is larger than the sum of its proper divisors (31832012).

42165268 is a wasteful number, since it uses less digits than its factorization.

42165268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29726 (or 29724 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 42165268 is about 6493.4788826945. The cubic root of 42165268 is about 348.0580010780.

The spelling of 42165268 in words is "forty-two million, one hundred sixty-five thousand, two hundred sixty-eight".