4042440404 has 12 divisors (see below), whose sum is σ = 7490404404. Its totient is φ = 1902324864.

The previous prime is 4042440403. The next prime is 4042440407. The reversal of 4042440404 is 4040442404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2482032400 + 1560408004 = 49820^2 + 39502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042440403) 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 3 ways as a sum of consecutive naturals, for example, 29723759 + ... + 29723894.

It is an arithmetic number, because the mean of its divisors is an integer number (624200367).

Almost surely, 2^4042440404 is an apocalyptic number.

It is an amenable number.

4042440404 is a deficient number, since it is larger than the sum of its proper divisors (3447964000).

4042440404 is a wasteful number, since it uses less digits than its factorization.

4042440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59447674 (or 59447672 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4042440404 is about 63580.1887697732. The cubic root of 4042440404 is about 1592.9954744072.

Adding to 4042440404 its reverse (4040442404), we get a palindrome (8082882808).

The spelling of 4042440404 in words is "four billion, forty-two million, four hundred forty thousand, four hundred four".