223440424000000 has 280 divisors, whose sum is σ = 562124511354780. Its totient is φ = 88723353600000.

The previous prime is 223440423999967. The next prime is 223440424000009. The reversal of 223440424000000 is 424044322.

It can be written as a sum of positive squares in 14 ways, for example, as 127553713185024 + 95886710814976 = 11293968^2 + 9792176^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (223440424000009) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 1095898066 + ... + 1096101934.

Almost surely, 2^{223440424000000} is an apocalyptic number.

223440424000000 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 223440424000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281062255677390).

223440424000000 is an abundant number, since it is smaller than the sum of its proper divisors (338684087354780).

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

223440424000000 is an frugal number, since it uses more digits than its factorization.

223440424000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204054 (or 204013 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 223440424000000 its reverse (424044322), we get a palindrome (223440848044322).

The spelling of 223440424000000 in words is "two hundred twenty-three trillion, four hundred forty billion, four hundred twenty-four million", and thus it is an aban number.