223044140440 has 128 divisors (see below), whose sum is σ = 558229708800. Its totient is φ = 79520542720.

The previous prime is 223044140413. The next prime is 223044140441. The reversal of 223044140440 is 44041440322.

It is a junction number, because it is equal to n+sod(n) for n = 223044140399 and 223044140408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223044140441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9931464 + ... + 9953896.

It is an arithmetic number, because the mean of its divisors is an integer number (4361169600).

Almost surely, 2^223044140440 is an apocalyptic number.

223044140440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223044140440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279114854400).

223044140440 is an abundant number, since it is smaller than the sum of its proper divisors (335185568360).

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

223044140440 is a wasteful number, since it uses less digits than its factorization.

223044140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22897 (or 22893 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 223044140440 its reverse (44041440322), we get a palindrome (267085580762).

The spelling of 223044140440 in words is "two hundred twenty-three billion, forty-four million, one hundred forty thousand, four hundred forty".