440565223144 has 32 divisors (see below), whose sum is σ = 851520055680. Its totient is φ = 213580814464.

The previous prime is 440565223079. The next prime is 440565223177. The reversal of 440565223144 is 441322565044.

It is a junction number, because it is equal to n+sod(n) for n = 440565223097 and 440565223106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5435077 + ... + 5515540.

It is an arithmetic number, because the mean of its divisors is an integer number (26610001740).

Almost surely, 2^440565223144 is an apocalyptic number.

It is an amenable number.

440565223144 is a deficient number, since it is larger than the sum of its proper divisors (410954832536).

440565223144 is a wasteful number, since it uses less digits than its factorization.

440565223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10950777 (or 10950773 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 440565223144 its reverse (441322565044), we get a palindrome (881887788188).

The spelling of 440565223144 in words is "four hundred forty billion, five hundred sixty-five million, two hundred twenty-three thousand, one hundred forty-four".