440068 has 6 divisors (see below), whose sum is σ = 770126. Its totient is φ = 220032.

The previous prime is 440047. The next prime is 440087. The reversal of 440068 is 860044.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 20164 = 648^2 + 142^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005 + ... + 55012.

2⁴⁴⁰⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

440068 is a deficient number, since it is larger than the sum of its proper divisors (330058).

440068 is a wasteful number, since it uses less digits than its factorization.

440068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110021 (or 110019 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 440068 is about 663.3762130194. The cubic root of 440068 is about 76.0629672068.

The spelling of 440068 in words is "four hundred forty thousand, sixty-eight".