42543525424 has 40 divisors (see below), whose sum is σ = 85015505088. Its totient is φ = 20613004800.

The previous prime is 42543525421. The next prime is 42543525439. The reversal of 42543525424 is 42452534524.

It is not an unprimeable number, because it can be changed into a prime (42543525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204117 + ... + 356020.

Almost surely, 2^42543525424 is an apocalyptic number.

It is an amenable number.

42543525424 is a deficient number, since it is larger than the sum of its proper divisors (42471979664).

42543525424 is a wasteful number, since it uses less digits than its factorization.

42543525424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560293 (or 560287 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

The spelling of 42543525424 in words is "forty-two billion, five hundred forty-three million, five hundred twenty-five thousand, four hundred twenty-four".