4042340042 has 16 divisors (see below), whose sum is σ = 6640613280. Its totient is φ = 1834072752.

The previous prime is 4042340017. The next prime is 4042340047. The reversal of 4042340042 is 2400432404.

It is not an unprimeable number, because it can be changed into a prime (4042340047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316048 + ... + 1319115.

It is an arithmetic number, because the mean of its divisors is an integer number (415038330).

Almost surely, 2^4042340042 is an apocalyptic number.

4042340042 is a deficient number, since it is larger than the sum of its proper divisors (2598273238).

4042340042 is a wasteful number, since it uses less digits than its factorization.

4042340042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635237.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4042340042 is about 63579.3995095896. The cubic root of 4042340042 is about 1592.9822911550.

Adding to 4042340042 its reverse (2400432404), we get a palindrome (6442772446).

The spelling of 4042340042 in words is "four billion, forty-two million, three hundred forty thousand, forty-two".