4021442240434 has 16 divisors (see below), whose sum is σ = 6062836248000. Its totient is φ = 2000509380144.

The previous prime is 4021442240303. The next prime is 4021442240441. The reversal of 4021442240434 is 4340422441204.

4021442240434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4021442240434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497372 + ... + 3778855.

It is an arithmetic number, because the mean of its divisors is an integer number (378927265500).

Almost surely, 2^{4021442240434} is an apocalyptic number.

4021442240434 is a deficient number, since it is larger than the sum of its proper divisors (2041394007566).

4021442240434 is a wasteful number, since it uses less digits than its factorization.

4021442240434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277857.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 4021442240434 its reverse (4340422441204), we get a palindrome (8361864681638).

The spelling of 4021442240434 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred forty thousand, four hundred thirty-four".