4042134242 has 4 divisors (see below), whose sum is σ = 6063201366. Its totient is φ = 2021067120.

The previous prime is 4042134223. The next prime is 4042134247. The reversal of 4042134242 is 2424312404.

It is a happy number.

4042134242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3763945201 + 278189041 = 61351^2 + 16679^2 .

It is not an unprimeable number, because it can be changed into a prime (4042134247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010533559 + ... + 1010533562.

Almost surely, 2^4042134242 is an apocalyptic number.

4042134242 is a deficient number, since it is larger than the sum of its proper divisors (2021067124).

4042134242 is a wasteful number, since it uses less digits than its factorization.

4042134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021067123.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 4042134242 is about 63577.7810402345. The cubic root of 4042134242 is about 1592.9552571997.

Adding to 4042134242 its reverse (2424312404), we get a palindrome (6466446646).

The spelling of 4042134242 in words is "four billion, forty-two million, one hundred thirty-four thousand, two hundred forty-two".