440027 has 4 divisors (see below), whose sum is σ = 502896. Its totient is φ = 377160.

The previous prime is 440023. The next prime is 440039. The reversal of 440027 is 720044.

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

It is not a de Polignac number, because 440027 - 2² = 440023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 439987 and 440014.

It is not an unprimeable number, because it can be changed into a prime (440023) 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 3 ways as a sum of consecutive naturals, for example, 31424 + ... + 31437.

It is an arithmetic number, because the mean of its divisors is an integer number (125724).

2⁴⁴⁰⁰²⁷ is an apocalyptic number.

440027 is a deficient number, since it is larger than the sum of its proper divisors (62869).

440027 is an equidigital number, since it uses as much as digits as its factorization.

440027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62868.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 440027 is about 663.3453097746. The cubic root of 440027 is about 76.0606049367.

Adding to 440027 its sum of digits (17), we get a palindrome (440044).

The spelling of 440027 in words is "four hundred forty thousand, twenty-seven", and thus it is an iban number.