440545 has 16 divisors (see below), whose sum is σ = 620928. Its totient is φ = 293760.

The previous prime is 440543. The next prime is 440549. The reversal of 440545 is 545044.

It is not a de Polignac number, because 440545 - 2¹ = 440543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (38808).

2⁴⁴⁰⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

440545 is a deficient number, since it is larger than the sum of its proper divisors (180383).

440545 is a wasteful number, since it uses less digits than its factorization.

440545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 440545 is about 663.7356401460. The cubic root of 440545 is about 76.0904394265.

Adding to 440545 its reverse (545044), we get a palindrome (985589).

The spelling of 440545 in words is "four hundred forty thousand, five hundred forty-five".