42543434524 has 36 divisors (see below), whose sum is σ = 79871367240. Its totient is φ = 19822163200.

The previous prime is 42543434519. The next prime is 42543434539.

42543434524 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 65434 + ... + 298945.

It is an arithmetic number, because the mean of its divisors is an integer number (2218649090).

Almost surely, 2^42543434524 is an apocalyptic number.

It is an amenable number.

42543434524 is a deficient number, since it is larger than the sum of its proper divisors (37327932716).

42543434524 is a wasteful number, since it uses less digits than its factorization.

42543434524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364518 (or 364499 counting only the distinct ones).

The product of its digits is 921600, while the sum is 40.

The spelling of 42543434524 in words is "forty-two billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred twenty-four".