421344441224 has 32 divisors (see below), whose sum is σ = 903478665600. Its totient is φ = 180456645120.

The previous prime is 421344441223. The next prime is 421344441229. The reversal of 421344441224 is 422144443124.

It is a super-2 number, since 2×421344441224² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421344441223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2405129 + ... + 2574360.

It is an arithmetic number, because the mean of its divisors is an integer number (28233708300).

Almost surely, 2^421344441224 is an apocalyptic number.

It is an amenable number.

421344441224 is an abundant number, since it is smaller than the sum of its proper divisors (482134224376).

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

421344441224 is a wasteful number, since it uses less digits than its factorization.

421344441224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981013 (or 4981009 counting only the distinct ones).

The product of its digits is 98304, while the sum is 35.

Adding to 421344441224 its reverse (422144443124), we get a palindrome (843488884348).

The spelling of 421344441224 in words is "four hundred twenty-one billion, three hundred forty-four million, four hundred forty-one thousand, two hundred twenty-four".