4430440 has 32 divisors (see below), whose sum is σ = 11393280. Its totient is φ = 1518912.

The previous prime is 4430431. The next prime is 4430441. The reversal of 4430440 is 440344.

It is not an unprimeable number, because it can be changed into a prime (4430441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7632 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (356040).

Almost surely, 2^4430440 is an apocalyptic number.

4430440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4430440 is an abundant number, since it is smaller than the sum of its proper divisors (6962840).

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

4430440 is a wasteful number, since it uses less digits than its factorization.

4430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15841 (or 15837 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4430440 is about 2104.8610405440. The cubic root of 4430440 is about 164.2412669389.

Adding to 4430440 its reverse (440344), we get a palindrome (4870784).

It can be divided in two parts, 44304 and 40, that added together give a palindrome (44344).

The spelling of 4430440 in words is "four million, four hundred thirty thousand, four hundred forty".