4444440045 has 16 divisors (see below), whose sum is σ = 7112397120. Its totient is φ = 2369937024.

The previous prime is 4444440041. The next prime is 4444440047. The reversal of 4444440045 is 5400444444.

It is not a de Polignac number, because 4444440045 - 2² = 4444440041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4444439988 and 4444440015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444440041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69426 + ... + 117084.

It is an arithmetic number, because the mean of its divisors is an integer number (444524820).

Almost surely, 2^4444440045 is an apocalyptic number.

It is an amenable number.

4444440045 is a deficient number, since it is larger than the sum of its proper divisors (2667957075).

4444440045 is a wasteful number, since it uses less digits than its factorization.

4444440045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53884.

The product of its (nonzero) digits is 81920, while the sum is 33.

The square root of 4444440045 is about 66666.6336708252. The cubic root of 4444440045 is about 1644.1408403887.

Adding to 4444440045 its reverse (5400444444), we get a palindrome (9844884489).

The spelling of 4444440045 in words is "four billion, four hundred forty-four million, four hundred forty thousand, forty-five".