42443144115 has 16 divisors (see below), whose sum is σ = 67917905568. Its totient is φ = 22633385216.

The previous prime is 42443144113. The next prime is 42443144143. The reversal of 42443144115 is 51144134424.

It is a cyclic number.

It is not a de Polignac number, because 42443144115 - 2¹ = 42443144113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42443144113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63732 + ... + 298241.

It is an arithmetic number, because the mean of its divisors is an integer number (4244869098).

Almost surely, 2^42443144115 is an apocalyptic number.

42443144115 is a deficient number, since it is larger than the sum of its proper divisors (25474761453).

42443144115 is a wasteful number, since it uses less digits than its factorization.

42443144115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369798.

The product of its digits is 30720, while the sum is 33.

Adding to 42443144115 its reverse (51144134424), we get a palindrome (93587278539).

The spelling of 42443144115 in words is "forty-two billion, four hundred forty-three million, one hundred forty-four thousand, one hundred fifteen".