42144424424 has 16 divisors (see below), whose sum is σ = 79046758500. Its totient is φ = 21065288832.

The previous prime is 42144424403. The next prime is 42144424471. The reversal of 42144424424 is 42442444124.

It can be written as a sum of positive squares in 2 ways, for example, as 42140699524 + 3724900 = 205282^2 + 1930^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839507 + ... + 888290.

Almost surely, 2^42144424424 is an apocalyptic number.

It is an amenable number.

42144424424 is a deficient number, since it is larger than the sum of its proper divisors (36902334076).

42144424424 is a wasteful number, since it uses less digits than its factorization.

42144424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730852 (or 1730848 counting only the distinct ones).

The product of its digits is 131072, while the sum is 35.

Adding to 42144424424 its reverse (42442444124), we get a palindrome (84586868548).

The spelling of 42144424424 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-four thousand, four hundred twenty-four".