4021430342428 has 12 divisors (see below), whose sum is σ = 7037622544680. Its totient is φ = 2010681043952.

The previous prime is 4021430342407. The next prime is 4021430342513. The reversal of 4021430342428 is 8242430341204.

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 3 ways as a sum of consecutive naturals, for example, 8265763 + ... + 8738746.

It is an arithmetic number, because the mean of its divisors is an integer number (586468545390).

Almost surely, 2^{4021430342428} is an apocalyptic number.

It is an amenable number.

4021430342428 is a deficient number, since it is larger than the sum of its proper divisors (3016192202252).

4021430342428 is a wasteful number, since it uses less digits than its factorization.

4021430342428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063636 (or 17063634 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 4021430342428 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-two thousand, four hundred twenty-eight".