4451244445 has 16 divisors (see below), whose sum is σ = 5394280320. Its totient is φ = 3525850944.

The previous prime is 4451244403. The next prime is 4451244449. The reversal of 4451244445 is 5444421544.

It is a cyclic number.

It is not a de Polignac number, because 4451244445 - 2²⁷ = 4317026717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4451244449) 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, 1449802 + ... + 1452868.

It is an arithmetic number, because the mean of its divisors is an integer number (337142520).

Almost surely, 2^4451244445 is an apocalyptic number.

It is an amenable number.

4451244445 is a deficient number, since it is larger than the sum of its proper divisors (943035875).

4451244445 is a wasteful number, since it uses less digits than its factorization.

4451244445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844.

The product of its digits is 204800, while the sum is 37.

The square root of 4451244445 is about 66717.6471782391. The cubic root of 4451244445 is about 1644.9794677826.

Adding to 4451244445 its reverse (5444421544), we get a palindrome (9895665989).

The spelling of 4451244445 in words is "four billion, four hundred fifty-one million, two hundred forty-four thousand, four hundred forty-five".