4040441 has 4 divisors (see below), whose sum is σ = 4278132. Its totient is φ = 3802752.

The previous prime is 4040431. The next prime is 4040459. The reversal of 4040441 is 1440404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 2839225 = 1096^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040441 - 2¹⁸ = 3778297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 237673 = 4040441 / (4 + 0 + 4 + 0 + 4 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118820 + ... + 118853.

It is an arithmetic number, because the mean of its divisors is an integer number (1069533).

Almost surely, 2^4040441 is an apocalyptic number.

It is an amenable number.

4040441 is a deficient number, since it is larger than the sum of its proper divisors (237691).

4040441 is a wasteful number, since it uses less digits than its factorization.

4040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237690.

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

The square root of 4040441 is about 2010.0848240808. The cubic root of 4040441 is about 159.2732797537.

Adding to 4040441 its reverse (1440404), we get a palindrome (5480845).

The spelling of 4040441 in words is "four million, forty thousand, four hundred forty-one".