4021443013442 has 8 divisors (see below), whose sum is σ = 6032344144332. Its totient is φ = 2010661632000.

The previous prime is 4021443013411. The next prime is 4021443013447. The reversal of 4021443013442 is 2443103441204.

It can be written as a sum of positive squares in 2 ways, for example, as 2826026604241 + 1195416409201 = 1681079^2 + 1093351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4021443013442² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021443013399 and 4021443013408.

It is not an unprimeable number, because it can be changed into a prime (4021443013447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29853359 + ... + 29987762.

Almost surely, 2^{4021443013442} is an apocalyptic number.

4021443013442 is a deficient number, since it is larger than the sum of its proper divisors (2010901130890).

4021443013442 is a wasteful number, since it uses less digits than its factorization.

4021443013442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59874724.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4021443013442 its reverse (2443103441204), we get a palindrome (6464546454646).

The spelling of 4021443013442 in words is "four trillion, twenty-one billion, four hundred forty-three million, thirteen thousand, four hundred forty-two".