4005221744424 has 16 divisors (see below), whose sum is σ = 10013054361120. Its totient is φ = 1335073914800.

The previous prime is 4005221744393. The next prime is 4005221744449. The reversal of 4005221744424 is 4244471225004.

It is a happy number.

4005221744424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83442119652 + ... + 83442119699.

It is an arithmetic number, because the mean of its divisors is an integer number (625815897570).

Almost surely, 2^{4005221744424} is an apocalyptic number.

It is an amenable number.

4005221744424 is an abundant number, since it is smaller than the sum of its proper divisors (6007832616696).

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

4005221744424 is a wasteful number, since it uses less digits than its factorization.

4005221744424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166884239360 (or 166884239356 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 39.

Adding to 4005221744424 its reverse (4244471225004), we get a palindrome (8249692969428).

The spelling of 4005221744424 in words is "four trillion, five billion, two hundred twenty-one million, seven hundred forty-four thousand, four hundred twenty-four".