224143404440 has 64 divisors (see below), whose sum is σ = 512840345760. Its totient is φ = 88144542720.

The previous prime is 224143404437. The next prime is 224143404451. The reversal of 224143404440 is 44404341422.

It is a junction number, because it is equal to n+sod(n) for n = 224143404397 and 224143404406.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5231987 + ... + 5274653.

Almost surely, 2^224143404440 is an apocalyptic number.

224143404440 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 224143404440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256420172880).

224143404440 is an abundant number, since it is smaller than the sum of its proper divisors (288696941320).

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

224143404440 is a wasteful number, since it uses less digits than its factorization.

224143404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44892 (or 44888 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 224143404440 its reverse (44404341422), we get a palindrome (268547745862).

The spelling of 224143404440 in words is "two hundred twenty-four billion, one hundred forty-three million, four hundred four thousand, four hundred forty".