4040442404 has 6 divisors (see below), whose sum is σ = 7070774214. Its totient is φ = 2020221200.

The previous prime is 4040442401. The next prime is 4040442433. The reversal of 4040442404 is 4042440404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2942845504 + 1097596900 = 54248^2 + 33130^2 .

It is not an unprimeable number, because it can be changed into a prime (4040442401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505055297 + ... + 505055304.

It is an arithmetic number, because the mean of its divisors is an integer number (1178462369).

Almost surely, 2^4040442404 is an apocalyptic number.

It is an amenable number.

4040442404 is a deficient number, since it is larger than the sum of its proper divisors (3030331810).

4040442404 is a wasteful number, since it uses less digits than its factorization.

4040442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010110605 (or 1010110603 counting only the distinct ones).

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

The square root of 4040442404 is about 63564.4743862482. The cubic root of 4040442404 is about 1592.7329820217.

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

The spelling of 4040442404 in words is "four billion, forty million, four hundred forty-two thousand, four hundred four".