42534643524 has 24 divisors (see below), whose sum is σ = 99258673248. Its totient is φ = 14176618560.

The previous prime is 42534643517. The next prime is 42534643597.

It is a happy number.

42534643524 is nontrivially palindromic in base 10.

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, 85857 + ... + 304040.

It is an arithmetic number, because the mean of its divisors is an integer number (4135778052).

Almost surely, 2^42534643524 is an apocalyptic number.

It is an amenable number.

42534643524 is an abundant number, since it is smaller than the sum of its proper divisors (56724029724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42534643524 is a wasteful number, since it uses less digits than its factorization.

42534643524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398995 (or 398993 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 42.

The spelling of 42534643524 in words is "forty-two billion, five hundred thirty-four million, six hundred forty-three thousand, five hundred twenty-four".