4042040442 has 32 divisors (see below), whose sum is σ = 8985401280. Its totient is φ = 1201749120.

The previous prime is 4042040399. The next prime is 4042040491. The reversal of 4042040442 is 2440402404.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 574267 + ... + 581262.

It is an arithmetic number, because the mean of its divisors is an integer number (280793790).

Almost surely, 2^4042040442 is an apocalyptic number.

4042040442 is an abundant number, since it is smaller than the sum of its proper divisors (4943360838).

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

4042040442 is a wasteful number, since it uses less digits than its factorization.

4042040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155598.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4042040442 is about 63577.0433568596. The cubic root of 4042040442 is about 1592.9429352967.

Adding to 4042040442 its reverse (2440402404), we get a palindrome (6482442846).

The spelling of 4042040442 in words is "four billion, forty-two million, forty thousand, four hundred forty-two".