440840044 has 12 divisors (see below), whose sum is σ = 771637104. Its totient is φ = 220372304.

The previous prime is 440840017. The next prime is 440840047. The reversal of 440840044 is 440048044.

It is a junction number, because it is equal to n+sod(n) for n = 440839994 and 440840021.

It is not an unprimeable number, because it can be changed into a prime (440840047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16254 + ... + 33850.

It is an arithmetic number, because the mean of its divisors is an integer number (64303092).

Almost surely, 2^440840044 is an apocalyptic number.

It is an amenable number.

440840044 is a deficient number, since it is larger than the sum of its proper divisors (330797060).

440840044 is a wasteful number, since it uses less digits than its factorization.

440840044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23864 (or 23862 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 440840044 is about 20996.1911784019. The cubic root of 440840044 is about 761.0742219230.

Adding to 440840044 its reverse (440048044), we get a palindrome (880888088).

The spelling of 440840044 in words is "four hundred forty million, eight hundred forty thousand, forty-four".