4221432340224 has 144 divisors (see below), whose sum is σ = 12587803939200. Its totient is φ = 1244648263680.

The previous prime is 4221432340199. The next prime is 4221432340319. The reversal of 4221432340224 is 4220432341224.

It is a happy number.

It is a super-3 number, since 3×4221432340224³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6440074 + ... + 7065225.

Almost surely, 2^{4221432340224} is an apocalyptic number.

4221432340224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4221432340224 is an abundant number, since it is smaller than the sum of its proper divisors (8366371598976).

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

4221432340224 is a wasteful number, since it uses less digits than its factorization.

4221432340224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13505366 (or 13505352 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4221432340224 its reverse (4220432341224), we get a palindrome (8441864681448).

The spelling of 4221432340224 in words is "four trillion, two hundred twenty-one billion, four hundred thirty-two million, three hundred forty thousand, two hundred twenty-four".