42543834552 has 32 divisors (see below), whose sum is σ = 118177318800. Its totient is φ = 14181278112.

The previous prime is 42543834539. The next prime is 42543834589. The reversal of 42543834552 is 25543834524.

42543834552 is a `hidden beast` number, since 4 + 25 + 43 + 8 + 34 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42543834498 and 42543834507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98480883 + ... + 98481314.

Almost surely, 2^42543834552 is an apocalyptic number.

It is an amenable number.

42543834552 is an abundant number, since it is smaller than the sum of its proper divisors (75633484248).

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

42543834552 is a wasteful number, since it uses less digits than its factorization.

42543834552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196962212 (or 196962202 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 42543834552 in words is "forty-two billion, five hundred forty-three million, eight hundred thirty-four thousand, five hundred fifty-two".