4002243024021 has 16 divisors (see below), whose sum is σ = 5822133977088. Its totient is φ = 2425314508400.

The previous prime is 4002243024011. The next prime is 4002243024133. The reversal of 4002243024021 is 1204203422004.

It is a cyclic number.

It is not a de Polignac number, because 4002243024021 - 2²² = 4002238829717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4002243023982 and 4002243024000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002243024011) 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 15 ways as a sum of consecutive naturals, for example, 6900135 + ... + 7457636.

It is an arithmetic number, because the mean of its divisors is an integer number (363883373568).

Almost surely, 2^{4002243024021} is an apocalyptic number.

It is an amenable number.

4002243024021 is a deficient number, since it is larger than the sum of its proper divisors (1819890953067).

4002243024021 is a wasteful number, since it uses less digits than its factorization.

4002243024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366232.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4002243024021 its reverse (1204203422004), we get a palindrome (5206446446025).

The spelling of 4002243024021 in words is "four trillion, two billion, two hundred forty-three million, twenty-four thousand, twenty-one".