42686264 has 16 divisors (see below), whose sum is σ = 81394200. Its totient is φ = 20981152.

The previous prime is 42686263. The next prime is 42686297. The reversal of 42686264 is 46268624.

42686264 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 3×42686264³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42686261) 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, 44747 + ... + 45690.

Almost surely, 2^42686264 is an apocalyptic number.

It is an amenable number.

42686264 is a deficient number, since it is larger than the sum of its proper divisors (38707936).

42686264 is a wasteful number, since it uses less digits than its factorization.

42686264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90502 (or 90498 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 42686264 is about 6533.4725835500. The cubic root of 42686264 is about 349.4856772292.

The spelling of 42686264 in words is "forty-two million, six hundred eighty-six thousand, two hundred sixty-four".