4021444134430 has 16 divisors (see below), whose sum is σ = 7244877519504. Its totient is φ = 1607182525440.

The previous prime is 4021444134413. The next prime is 4021444134437. The reversal of 4021444134430 is 344314441204.

It is a super-2 number, since 2×4021444134430² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444134437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174378936 + ... + 174401995.

It is an arithmetic number, because the mean of its divisors is an integer number (452804844969).

Almost surely, 2^{4021444134430} is an apocalyptic number.

4021444134430 is a deficient number, since it is larger than the sum of its proper divisors (3223433385074).

4021444134430 is a wasteful number, since it uses less digits than its factorization.

4021444134430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348782091.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 4021444134430 its reverse (344314441204), we get a palindrome (4365758575634).

The spelling of 4021444134430 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred thirty-four thousand, four hundred thirty".