440404004 has 6 divisors (see below), whose sum is σ = 770707014. Its totient is φ = 220202000.

The previous prime is 440403991. The next prime is 440404039. The reversal of 440404004 is 400404044.

It can be written as a sum of positive squares in only one way, i.e., 425596900 + 14807104 = 20630^2 + 3848^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050497 + ... + 55050504.

It is an arithmetic number, because the mean of its divisors is an integer number (128451169).

Almost surely, 2^440404004 is an apocalyptic number.

It is an amenable number.

440404004 is a deficient number, since it is larger than the sum of its proper divisors (330303010).

440404004 is a wasteful number, since it uses less digits than its factorization.

440404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110101005 (or 110101003 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 440404004 is about 20985.8048213548. The cubic root of 440404004 is about 760.8232100321.

Adding to 440404004 its reverse (400404044), we get a palindrome (840808048).

The spelling of 440404004 in words is "four hundred forty million, four hundred four thousand, four".