4021442404302 has 16 divisors (see below), whose sum is σ = 8043392148480. Its totient is φ = 1340396244792.

The previous prime is 4021442404279. The next prime is 4021442404303. The reversal of 4021442404302 is 2034042441204.

It is a super-2 number, since 2×4021442404302² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021442404302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021442404303) 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, 21036078 + ... + 21226385.

It is an arithmetic number, because the mean of its divisors is an integer number (502712009280).

Almost surely, 2^{4021442404302} is an apocalyptic number.

4021442404302 is an abundant number, since it is smaller than the sum of its proper divisors (4021949744178).

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

4021442404302 is a wasteful number, since it uses less digits than its factorization.

4021442404302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278327.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4021442404302 its reverse (2034042441204), we get a palindrome (6055484845506).

The spelling of 4021442404302 in words is "four trillion, twenty-one billion, four hundred forty-two million, four hundred four thousand, three hundred two".