4440540 has 48 divisors (see below), whose sum is σ = 13392288. Its totient is φ = 1092864.

The previous prime is 4440529. The next prime is 4440571. The reversal of 4440540 is 450444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2067 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (279006).

Almost surely, 2^4440540 is an apocalyptic number.

It is an amenable number.

4440540 is an abundant number, since it is smaller than the sum of its proper divisors (8951748).

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

4440540 is a wasteful number, since it uses less digits than its factorization.

4440540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4440540 is about 2107.2588830042. The cubic root of 4440540 is about 164.3659782429.

Adding to 4440540 its reverse (450444), we get a palindrome (4890984).

The spelling of 4440540 in words is "four million, four hundred forty thousand, five hundred forty".