42542780625468 has 48 divisors (see below), whose sum is σ = 110386283132160. Its totient is φ = 14169331633392.

The previous prime is 42542780625391. The next prime is 42542780625509. The reversal of 42542780625468 is 86452608724524.

42542780625468 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 2 + 7 + 80 + 6 + 2 + 546 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160912330 + ... + 161176497.

It is an arithmetic number, because the mean of its divisors is an integer number (2299714231920).

Almost surely, 2^{42542780625468} is an apocalyptic number.

It is an amenable number.

42542780625468 is an abundant number, since it is smaller than the sum of its proper divisors (67843502506692).

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

42542780625468 is a wasteful number, since it uses less digits than its factorization.

42542780625468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322090063 (or 322090055 counting only the distinct ones).

The product of its (nonzero) digits is 206438400, while the sum is 63.

The spelling of 42542780625468 in words is "forty-two trillion, five hundred forty-two billion, seven hundred eighty million, six hundred twenty-five thousand, four hundred sixty-eight".