42686168 has 16 divisors (see below), whose sum is σ = 91470480. Its totient is φ = 18294048.

The previous prime is 42686159. The next prime is 42686191. The reversal of 42686168 is 86168624.

42686168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42686168³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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, 381071 + ... + 381182.

It is an arithmetic number, because the mean of its divisors is an integer number (5716905).

Almost surely, 2^42686168 is an apocalyptic number.

It is an amenable number.

42686168 is an abundant number, since it is smaller than the sum of its proper divisors (48784312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42686168 is a wasteful number, since it uses less digits than its factorization.

42686168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762266 (or 762262 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 42686168 is about 6533.4652367637. The cubic root of 42686168 is about 349.4854152351.

It can be divided in two parts, 4268616 and 8, that added together give a palindrome (4268624).

The spelling of 42686168 in words is "forty-two million, six hundred eighty-six thousand, one hundred sixty-eight".