4440140 has 12 divisors (see below), whose sum is σ = 9324336. Its totient is φ = 1776048.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440140 is 410444.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110984 + ... + 111023.

It is an arithmetic number, because the mean of its divisors is an integer number (777028).

Almost surely, 2^4440140 is an apocalyptic number.

It is an amenable number.

4440140 is an abundant number, since it is smaller than the sum of its proper divisors (4884196).

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

4440140 is a wasteful number, since it uses less digits than its factorization.

4440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222016 (or 222014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4440140 is about 2107.1639708385. The cubic root of 4440140 is about 164.3610427797.

Adding to 4440140 its reverse (410444), we get a palindrome (4850584).

The spelling of 4440140 in words is "four million, four hundred forty thousand, one hundred forty".