4440425 has 24 divisors (see below), whose sum is σ = 6121632. Its totient is φ = 3168000.

The previous prime is 4440421. The next prime is 4440427. The reversal of 4440425 is 5240444.

It is not a de Polignac number, because 4440425 - 2² = 4440421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4440425.

It is not an unprimeable number, because it can be changed into a prime (4440421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18305 + ... + 18545.

It is an arithmetic number, because the mean of its divisors is an integer number (255068).

Almost surely, 2^4440425 is an apocalyptic number.

It is an amenable number.

4440425 is a deficient number, since it is larger than the sum of its proper divisors (1681207).

4440425 is a wasteful number, since it uses less digits than its factorization.

4440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4440425 is about 2107.2315961944. The cubic root of 4440425 is about 164.3645593276.

Adding to 4440425 its reverse (5240444), we get a palindrome (9680869).

The spelling of 4440425 in words is "four million, four hundred forty thousand, four hundred twenty-five".