223004013440 has 128 divisors (see below), whose sum is σ = 574445329920. Its totient is φ = 82294456320.

The previous prime is 223004013391. The next prime is 223004013473. The reversal of 223004013440 is 44310400322.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17557172 + ... + 17569868.

It is an arithmetic number, because the mean of its divisors is an integer number (4487854140).

Almost surely, 2^223004013440 is an apocalyptic number.

223004013440 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 223004013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287222664960).

223004013440 is an abundant number, since it is smaller than the sum of its proper divisors (351441316480).

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

223004013440 is a wasteful number, since it uses less digits than its factorization.

223004013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840 (or 14828 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 223004013440 its reverse (44310400322), we get a palindrome (267314413762).

The spelling of 223004013440 in words is "two hundred twenty-three billion, four million, thirteen thousand, four hundred forty".