4144445544 has 32 divisors (see below), whose sum is σ = 10492272000. Its totient is φ = 1363994112.

The previous prime is 4144445537. The next prime is 4144445581. The reversal of 4144445544 is 4455444414.

4144445544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091049 + ... + 1094840.

It is an arithmetic number, because the mean of its divisors is an integer number (327883500).

Almost surely, 2^4144445544 is an apocalyptic number.

It is an amenable number.

4144445544 is an abundant number, since it is smaller than the sum of its proper divisors (6347826456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4144445544 is a wasteful number, since it uses less digits than its factorization.

4144445544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185977 (or 2185973 counting only the distinct ones).

The product of its digits is 409600, while the sum is 39.

The square root of 4144445544 is about 64377.3682593503. The cubic root of 4144445544 is about 1606.2833062805.

Adding to 4144445544 its reverse (4455444414), we get a palindrome (8599889958).

The spelling of 4144445544 in words is "four billion, one hundred forty-four million, four hundred forty-five thousand, five hundred forty-four".