4002442414421 has 16 divisors (see below), whose sum is σ = 4459445452800. Its totient is φ = 3560971976880.

The previous prime is 4002442414381. The next prime is 4002442414441. The reversal of 4002442414421 is 1244142442004.

It is a cyclic number.

It is not a de Polignac number, because 4002442414421 - 2¹⁴ = 4002442398037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002442414441) 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, 9665180 + ... + 10070778.

It is an arithmetic number, because the mean of its divisors is an integer number (278715340800).

Almost surely, 2^{4002442414421} is an apocalyptic number.

It is an amenable number.

4002442414421 is a deficient number, since it is larger than the sum of its proper divisors (457003038379).

4002442414421 is a wasteful number, since it uses less digits than its factorization.

4002442414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424744.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 4002442414421 its reverse (1244142442004), we get a palindrome (5246584856425).

The spelling of 4002442414421 in words is "four trillion, two billion, four hundred forty-two million, four hundred fourteen thousand, four hundred twenty-one".