42016443 has 16 divisors (see below), whose sum is σ = 64174080. Its totient is φ = 23953536.

The previous prime is 42016441. The next prime is 42016453. The reversal of 42016443 is 34461024.

42016443 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 42016443 - 2¹ = 42016441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42016441) 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, 7971 + ... + 12147.

It is an arithmetic number, because the mean of its divisors is an integer number (4010880).

Almost surely, 2^42016443 is an apocalyptic number.

42016443 is a deficient number, since it is larger than the sum of its proper divisors (22157637).

42016443 is a wasteful number, since it uses less digits than its factorization.

42016443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42016443 is about 6482.0091792592. The cubic root of 42016443 is about 347.6480207179.

Adding to 42016443 its reverse (34461024), we get a palindrome (76477467).

The spelling of 42016443 in words is "forty-two million, sixteen thousand, four hundred forty-three".