4404326644 has 6 divisors (see below), whose sum is σ = 7707571634. Its totient is φ = 2202163320.

The previous prime is 4404326639. The next prime is 4404326669. The reversal of 4404326644 is 4466234044.

It can be written as a sum of positive squares in only one way, i.e., 2538950544 + 1865376100 = 50388^2 + 43190^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550540827 + ... + 550540834.

Almost surely, 2^4404326644 is an apocalyptic number.

It is an amenable number.

4404326644 is a deficient number, since it is larger than the sum of its proper divisors (3303244990).

4404326644 is a wasteful number, since it uses less digits than its factorization.

4404326644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101081665 (or 1101081663 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

The square root of 4404326644 is about 66365.1010999004. The cubic root of 4404326644 is about 1639.1794730432.

The spelling of 4404326644 in words is "four billion, four hundred four million, three hundred twenty-six thousand, six hundred forty-four".