440811 has 12 divisors (see below), whose sum is σ = 727792. Its totient is φ = 251856.

The previous prime is 440809. The next prime is 440821. The reversal of 440811 is 118044.

It is not a de Polignac number, because 440811 - 2¹ = 440809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3436 + ... + 3561.

2⁴⁴⁰⁸¹¹ is an apocalyptic number.

440811 is a deficient number, since it is larger than the sum of its proper divisors (286981).

440811 is a wasteful number, since it uses less digits than its factorization.

440811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 440811 is about 663.9359908907. The cubic root of 440811 is about 76.1057507527.

Adding to 440811 its reverse (118044), we get a palindrome (558855).

The spelling of 440811 in words is "four hundred forty thousand, eight hundred eleven".