4043140 has 24 divisors (see below), whose sum is σ = 8570520. Its totient is φ = 1602048.

The previous prime is 4043129. The next prime is 4043159. The reversal of 4043140 is 413404.

4043140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 3755844 = 536^2 + 1938^2 .

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 7 ways as a sum of consecutive naturals, for example, 1366 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (357105).

Almost surely, 2^4043140 is an apocalyptic number.

It is an amenable number.

4043140 is an abundant number, since it is smaller than the sum of its proper divisors (4527380).

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

4043140 is a wasteful number, since it uses less digits than its factorization.

4043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4043140 is about 2010.7560767035. The cubic root of 4043140 is about 159.3087365185.

Adding to 4043140 its reverse (413404), we get a palindrome (4456544).

The spelling of 4043140 in words is "four million, forty-three thousand, one hundred forty".