440812 has 12 divisors (see below), whose sum is σ = 776776. Its totient is φ = 218880.

The previous prime is 440809. The next prime is 440821. The reversal of 440812 is 218044.

It is a self number, because there is not a number n which added to its sum of digits gives 440812.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487 + ... + 1057.

2⁴⁴⁰⁸¹² is an apocalyptic number.

It is an amenable number.

440812 is a deficient number, since it is larger than the sum of its proper divisors (335964).

440812 is a wasteful number, since it uses less digits than its factorization.

440812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 440812 is about 663.9367439749. The cubic root of 440812 is about 76.1058083025.

Adding to 440812 its reverse (218044), we get a palindrome (658856).

The spelling of 440812 in words is "four hundred forty thousand, eight hundred twelve".