4021430342406 has 16 divisors (see below), whose sum is σ = 8060459947824. Its totient is φ = 1337543570304.

The previous prime is 4021430342389. The next prime is 4021430342407. The reversal of 4021430342406 is 6042430341204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021430342407) 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, 733299655 + ... + 733305138.

It is an arithmetic number, because the mean of its divisors is an integer number (503778746739).

Almost surely, 2^{4021430342406} is an apocalyptic number.

4021430342406 is an abundant number, since it is smaller than the sum of its proper divisors (4039029605418).

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

4021430342406 is a wasteful number, since it uses less digits than its factorization.

4021430342406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466605255.

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 4021430342406 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, four hundred six".