440163 has 6 divisors (see below), whose sum is σ = 635804. Its totient is φ = 293436.

The previous prime is 440159. The next prime is 440171. The reversal of 440163 is 361044.

It is not a de Polignac number, because 440163 - 2² = 440159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24445 + ... + 24462.

2⁴⁴⁰¹⁶³ is an apocalyptic number.

440163 is a deficient number, since it is larger than the sum of its proper divisors (195641).

440163 is a wasteful number, since it uses less digits than its factorization.

440163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48913 (or 48910 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 440163 is about 663.4478125670. The cubic root of 440163 is about 76.0684401958.

The spelling of 440163 in words is "four hundred forty thousand, one hundred sixty-three".