440405044 has 6 divisors (see below), whose sum is σ = 770708834. Its totient is φ = 220202520.

The previous prime is 440405041. The next prime is 440405057. The reversal of 440405044 is 440504044.

It can be written as a sum of positive squares in only one way, i.e., 302342544 + 138062500 = 17388^2 + 11750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440405041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050627 + ... + 55050634.

Almost surely, 2^440405044 is an apocalyptic number.

It is an amenable number.

440405044 is a deficient number, since it is larger than the sum of its proper divisors (330303790).

440405044 is a wasteful number, since it uses less digits than its factorization.

440405044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110101265 (or 110101263 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 440405044 is about 20985.8295999944. The cubic root of 440405044 is about 760.8238089182.

Adding to 440405044 its reverse (440504044), we get a palindrome (880909088).

The spelling of 440405044 in words is "four hundred forty million, four hundred five thousand, forty-four".