8442542502844 has 12 divisors (see below), whose sum is σ = 14774796146824. Its totient is φ = 4221172175184.

The previous prime is 8442542502809. The next prime is 8442542502851. The reversal of 8442542502844 is 4482052452448.

It is a junction number, because it is equal to n+sod(n) for n = 8442542502791 and 8442542502800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24577167 + ... + 24918310.

Almost surely, 2^{8442542502844} is an apocalyptic number.

It is an amenable number.

8442542502844 is a deficient number, since it is larger than the sum of its proper divisors (6332253643980).

8442542502844 is a wasteful number, since it uses less digits than its factorization.

8442542502844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49538124 (or 49538122 counting only the distinct ones).

The product of its (nonzero) digits is 13107200, while the sum is 52.

The spelling of 8442542502844 in words is "eight trillion, four hundred forty-two billion, five hundred forty-two million, five hundred two thousand, eight hundred forty-four".