4040404441 has 4 divisors (see below), whose sum is σ = 4043671972. Its totient is φ = 4037136912.

The previous prime is 4040404421. The next prime is 4040404451. The reversal of 4040404441 is 1444040404.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3538465225 + 501939216 = 59485^2 + 22404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040404441 - 2¹³ = 4040396249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040404421) 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, 1631910 + ... + 1634383.

It is an arithmetic number, because the mean of its divisors is an integer number (1010917993).

Almost surely, 2^4040404441 is an apocalyptic number.

It is an amenable number.

4040404441 is a deficient number, since it is larger than the sum of its proper divisors (3267531).

4040404441 is a wasteful number, since it uses less digits than its factorization.

4040404441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267530.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4040404441 is about 63564.1757674871. The cubic root of 4040404441 is about 1592.7279936973.

Adding to 4040404441 its reverse (1444040404), we get a palindrome (5484444845).

The spelling of 4040404441 in words is "four billion, forty million, four hundred four thousand, four hundred forty-one".