440220204224 has 56 divisors (see below), whose sum is σ = 894086012688. Its totient is φ = 214941081600.

The previous prime is 440220204197. The next prime is 440220204233. The reversal of 440220204224 is 422402022044.

It is a junction number, because it is equal to n+sod(n) for n = 440220204193 and 440220204202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13570424 + ... + 13602824.

Almost surely, 2^440220204224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440220204224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447043006344).

440220204224 is an abundant number, since it is smaller than the sum of its proper divisors (453865808464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440220204224 is a wasteful number, since it uses less digits than its factorization.

440220204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37393 (or 37383 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 440220204224 its reverse (422402022044), we get a palindrome (862622226268).

The spelling of 440220204224 in words is "four hundred forty billion, two hundred twenty million, two hundred four thousand, two hundred twenty-four".