4242404020442 has 16 divisors (see below), whose sum is σ = 7375124898432. Its totient is φ = 1792565078640.

The previous prime is 4242404020417. The next prime is 4242404020471. The reversal of 4242404020442 is 2440204042424.

It is a junction number, because it is equal to n+sod(n) for n = 4242404020399 and 4242404020408.

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 7 ways as a sum of consecutive naturals, for example, 2134005053 + ... + 2134007040.

It is an arithmetic number, because the mean of its divisors is an integer number (460945306152).

Almost surely, 2^{4242404020442} is an apocalyptic number.

4242404020442 is a deficient number, since it is larger than the sum of its proper divisors (3132720877990).

4242404020442 is a wasteful number, since it uses less digits than its factorization.

4242404020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268012173.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4242404020442 its reverse (2440204042424), we get a palindrome (6682608062866).

The spelling of 4242404020442 in words is "four trillion, two hundred forty-two billion, four hundred four million, twenty thousand, four hundred forty-two".