42544665106 has 16 divisors (see below), whose sum is σ = 64020827520. Its totient is φ = 21204444240.

The previous prime is 42544665073. The next prime is 42544665139. The reversal of 42544665106 is 60156644524.

It is an interprime number because it is at equal distance from previous prime (42544665073) and next prime (42544665139).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1704436 + ... + 1729216.

It is an arithmetic number, because the mean of its divisors is an integer number (4001301720).

Almost surely, 2^42544665106 is an apocalyptic number.

42544665106 is a deficient number, since it is larger than the sum of its proper divisors (21476162414).

42544665106 is a wasteful number, since it uses less digits than its factorization.

42544665106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27489.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 42544665106 in words is "forty-two billion, five hundred forty-four million, six hundred sixty-five thousand, one hundred six".