4442140 has 12 divisors (see below), whose sum is σ = 9328536. Its totient is φ = 1776848.

The previous prime is 4442131. The next prime is 4442159. The reversal of 4442140 is 412444.

It is a congruent 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, 111034 + ... + 111073.

It is an arithmetic number, because the mean of its divisors is an integer number (777378).

Almost surely, 2^4442140 is an apocalyptic number.

It is an amenable number.

4442140 is an abundant number, since it is smaller than the sum of its proper divisors (4886396).

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

4442140 is a wasteful number, since it uses less digits than its factorization.

4442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222116 (or 222114 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4442140 is about 2107.6384889255. The cubic root of 4442140 is about 164.3857171324.

Adding to 4442140 its reverse (412444), we get a palindrome (4854584).

The spelling of 4442140 in words is "four million, four hundred forty-two thousand, one hundred forty".