42175443656 has 16 divisors (see below), whose sum is σ = 79394016240. Its totient is φ = 21003706000.

The previous prime is 42175443623. The next prime is 42175443659. The reversal of 42175443656 is 65634457124.

It is a self number, because there is not a number n which added to its sum of digits gives 42175443656.

It is not an unprimeable number, because it can be changed into a prime (42175443659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10499846 + ... + 10503861.

It is an arithmetic number, because the mean of its divisors is an integer number (4962126015).

Almost surely, 2^42175443656 is an apocalyptic number.

It is an amenable number.

42175443656 is a deficient number, since it is larger than the sum of its proper divisors (37218572584).

42175443656 is a wasteful number, since it uses less digits than its factorization.

42175443656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21003964 (or 21003960 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 42175443656 in words is "forty-two billion, one hundred seventy-five million, four hundred forty-three thousand, six hundred fifty-six".