42542832 has 40 divisors (see below), whose sum is σ = 110298496. Its totient is φ = 14129856.

The previous prime is 42542831. The next prime is 42542833. The reversal of 42542832 is 23824524.

It is an interprime number because it is at equal distance from previous prime (42542831) and next prime (42542833).

It is a self number, because there is not a number n which added to its sum of digits gives 42542832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13293 + ... + 16179.

Almost surely, 2^42542832 is an apocalyptic number.

It is an amenable number.

42542832 is an abundant number, since it is smaller than the sum of its proper divisors (67755664).

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

42542832 is a wasteful number, since it uses less digits than its factorization.

42542832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3199 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 42542832 is about 6522.4866423780. The cubic root of 42542832 is about 349.0937972259.

The spelling of 42542832 in words is "forty-two million, five hundred forty-two thousand, eight hundred thirty-two".