4040404442 has 16 divisors (see below), whose sum is σ = 6248908512. Its totient is φ = 1958152560.

The previous prime is 4040404421. The next prime is 4040404451. The reversal of 4040404442 is 2444040404.

It is a happy number.

It is an unprimeable number.

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, 168053 + ... + 190584.

It is an arithmetic number, because the mean of its divisors is an integer number (390556782).

Almost surely, 2^4040404442 is an apocalyptic number.

4040404442 is a deficient number, since it is larger than the sum of its proper divisors (2208504070).

4040404442 is a wasteful number, since it uses less digits than its factorization.

4040404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358813.

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

The square root of 4040404442 is about 63564.1757753532. The cubic root of 4040404442 is about 1592.7279938287.

Adding to 4040404442 its reverse (2444040404), we get a palindrome (6484444846).

The spelling of 4040404442 in words is "four billion, forty million, four hundred four thousand, four hundred forty-two".