4400066044 has 24 divisors (see below), whose sum is σ = 8605010736. Its totient is φ = 1951248000.

The previous prime is 4400066023. The next prime is 4400066051. The reversal of 4400066044 is 4406600044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217727 + ... + 1221334.

It is an arithmetic number, because the mean of its divisors is an integer number (358542114).

Almost surely, 2^4400066044 is an apocalyptic number.

4400066044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4400066044 is a deficient number, since it is larger than the sum of its proper divisors (4204944692).

4400066044 is a wasteful number, since it uses less digits than its factorization.

4400066044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439117 (or 2439115 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 4400066044 is about 66332.9936306210. The cubic root of 4400066044 is about 1638.6507398351.

Adding to 4400066044 its reverse (4406600044), we get a palindrome (8806666088).

The spelling of 4400066044 in words is "four billion, four hundred million, sixty-six thousand, forty-four".