4224421424440 has 64 divisors (see below), whose sum is σ = 10872236482560. Its totient is φ = 1447114588800.

The previous prime is 4224421424417. The next prime is 4224421424533. The reversal of 4224421424440 is 444241244224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224421424440.

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, 6231682 + ... + 6876241.

It is an arithmetic number, because the mean of its divisors is an integer number (169878695040).

Almost surely, 2^{4224421424440} is an apocalyptic number.

4224421424440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4224421424440 is an abundant number, since it is smaller than the sum of its proper divisors (6647815058120).

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

4224421424440 is a wasteful number, since it uses less digits than its factorization.

4224421424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109092 (or 13109088 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 37.

Adding to 4224421424440 its reverse (444241244224), we get a palindrome (4668662668664).

The spelling of 4224421424440 in words is "four trillion, two hundred twenty-four billion, four hundred twenty-one million, four hundred twenty-four thousand, four hundred forty".