4400540 has 24 divisors (see below), whose sum is σ = 9395232. Its totient is φ = 1730880.

The previous prime is 4400527. The next prime is 4400549. The reversal of 4400540 is 450044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400549) 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, 584 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (391468).

Almost surely, 2^4400540 is an apocalyptic number.

It is an amenable number.

4400540 is an abundant number, since it is smaller than the sum of its proper divisors (4994692).

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

4400540 is a wasteful number, since it uses less digits than its factorization.

4400540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4400540 is about 2097.7464098408. The cubic root of 4400540 is about 163.8709573836.

Adding to 4400540 its reverse (450044), we get a palindrome (4850584).

The spelling of 4400540 in words is "four million, four hundred thousand, five hundred forty".