42424085 has 16 divisors (see below), whose sum is σ = 55665792. Its totient is φ = 30782400.

The previous prime is 42424043. The next prime is 42424087. The reversal of 42424085 is 58042424.

42424085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42424085 - 2⁶ = 42424021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424087) 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 15 ways as a sum of consecutive naturals, for example, 39455 + ... + 40515.

It is an arithmetic number, because the mean of its divisors is an integer number (3479112).

Almost surely, 2^42424085 is an apocalyptic number.

It is an amenable number.

42424085 is a deficient number, since it is larger than the sum of its proper divisors (13241707).

42424085 is a wasteful number, since it uses less digits than its factorization.

42424085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42424085 is about 6513.3773881144. The cubic root of 42424085 is about 348.7686937304.

The spelling of 42424085 in words is "forty-two million, four hundred twenty-four thousand, eighty-five".