4400000045 has 32 divisors (see below), whose sum is σ = 6074030592. Its totient is φ = 2997349632.

The previous prime is 4400000039. The next prime is 4400000053. The reversal of 4400000045 is 5400000044.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400000045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4399999969 and 4400000032.

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 in 31 ways as a sum of consecutive naturals, for example, 5157839 + ... + 5158691.

It is an arithmetic number, because the mean of its divisors is an integer number (189813456).

Almost surely, 2^4400000045 is an apocalyptic number.

It is an amenable number.

4400000045 is a deficient number, since it is larger than the sum of its proper divisors (1674030547).

4400000045 is a wasteful number, since it uses less digits than its factorization.

4400000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4400000045 is about 66332.4961463083. The cubic root of 4400000045 is about 1638.6425467876.

Adding to 4400000045 its reverse (5400000044), we get a palindrome (9800000089).

Subtracting 4400000045 from its reverse (5400000044), we obtain a palindrome (999999999).

The spelling of 4400000045 in words is "four billion, four hundred million, forty-five", and thus it is an aban number.