4005234042 has 16 divisors (see below), whose sum is σ = 8011496160. Its totient is φ = 1334906672.

The previous prime is 4005234031. The next prime is 4005234047. The reversal of 4005234042 is 2404325004.

It is not an unprimeable number, because it can be changed into a prime (4005234047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13513 + ... + 90515.

It is an arithmetic number, because the mean of its divisors is an integer number (500718510).

Almost surely, 2^4005234042 is an apocalyptic number.

4005234042 is an abundant number, since it is smaller than the sum of its proper divisors (4006262118).

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

4005234042 is a wasteful number, since it uses less digits than its factorization.

4005234042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85677.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 4005234042 is about 63286.9184113115. The cubic root of 4005234042 is about 1588.0931271748.

Adding to 4005234042 its reverse (2404325004), we get a palindrome (6409559046).

The spelling of 4005234042 in words is "four billion, five million, two hundred thirty-four thousand, forty-two".