42542402232 has 64 divisors (see below), whose sum is σ = 116130153600. Its totient is φ = 12879923840.

The previous prime is 42542402197. The next prime is 42542402239. The reversal of 42542402232 is 23220424524.

It is a self number, because there is not a number n which added to its sum of digits gives 42542402232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542402239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220123 + ... + 365429.

It is an arithmetic number, because the mean of its divisors is an integer number (1814533650).

Almost surely, 2^42542402232 is an apocalyptic number.

It is an amenable number.

42542402232 is an abundant number, since it is smaller than the sum of its proper divisors (73587751368).

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

42542402232 is a wasteful number, since it uses less digits than its factorization.

42542402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146436 (or 146432 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 42542402232 its reverse (23220424524), we get a palindrome (65762826756).

The spelling of 42542402232 in words is "forty-two billion, five hundred forty-two million, four hundred two thousand, two hundred thirty-two".