4021430342004 has 18 divisors (see below), whose sum is σ = 10165282253490. Its totient is φ = 1340476780656.

The previous prime is 4021430341993. The next prime is 4021430342093. The reversal of 4021430342004 is 4002430341204.

It is a happy number.

4021430342004 is a `hidden beast` number, since 4 + 0 + 21 + 430 + 3 + 4 + 200 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2125466578404 + 1895963763600 = 1457898^2 + 1376940^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55853199159 + ... + 55853199230.

Almost surely, 2^{4021430342004} is an apocalyptic number.

It is an amenable number.

4021430342004 is an abundant number, since it is smaller than the sum of its proper divisors (6143851911486).

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

4021430342004 is a wasteful number, since it uses less digits than its factorization.

4021430342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111706398399 (or 111706398394 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4021430342004 its reverse (4002430341204), we get a palindrome (8023860683208).

The spelling of 4021430342004 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, four".