42086168 has 16 divisors (see below), whose sum is σ = 81044880. Its totient is φ = 20474208.

The previous prime is 42086147. The next prime is 42086183. The reversal of 42086168 is 86168024.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 70796 + ... + 71387.

It is an arithmetic number, because the mean of its divisors is an integer number (5065305).

Almost surely, 2^42086168 is an apocalyptic number.

It is an amenable number.

42086168 is a deficient number, since it is larger than the sum of its proper divisors (38958712).

42086168 is a wasteful number, since it uses less digits than its factorization.

42086168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142226 (or 142222 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42086168 is about 6487.3852976373. The cubic root of 42086168 is about 347.8402181886.

The spelling of 42086168 in words is "forty-two million, eighty-six thousand, one hundred sixty-eight".