4440144225 has 96 divisors (see below), whose sum is σ = 8157335040. Its totient is φ = 2113216000.

The previous prime is 4440144221. The next prime is 4440144277. The reversal of 4440144225 is 5224410444.

It is not a de Polignac number, because 4440144225 - 2² = 4440144221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4440144192 and 4440144201.

It is not an unprimeable number, because it can be changed into a prime (4440144221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15801085 + ... + 15801365.

It is an arithmetic number, because the mean of its divisors is an integer number (84972240).

Almost surely, 2^4440144225 is an apocalyptic number.

It is an amenable number.

4440144225 is a deficient number, since it is larger than the sum of its proper divisors (3717190815).

4440144225 is a wasteful number, since it uses less digits than its factorization.

4440144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 4440144225 is about 66634.4072157921. The cubic root of 4440144225 is about 1643.6109491208.

Adding to 4440144225 its reverse (5224410444), we get a palindrome (9664554669).

The spelling of 4440144225 in words is "four billion, four hundred forty million, one hundred forty-four thousand, two hundred twenty-five".