42542066316654 has 32 divisors (see below), whose sum is σ = 94544341921440. Its totient is φ = 14179726256256.

The previous prime is 42542066316653. The next prime is 42542066316677. The reversal of 42542066316654 is 45661366024524.

42542066316654 is a `hidden beast` number, since 4 + 2 + 5 + 420 + 6 + 6 + 3 + 166 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42542066316654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542066316653) 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, 25933389 + ... + 27524984.

It is an arithmetic number, because the mean of its divisors is an integer number (2954510685045).

Almost surely, 2^{42542066316654} is an apocalyptic number.

42542066316654 is an abundant number, since it is smaller than the sum of its proper divisors (52002275604786).

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

42542066316654 is a wasteful number, since it uses less digits than its factorization.

42542066316654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53473121 (or 53473115 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 42542066316654 in words is "forty-two trillion, five hundred forty-two billion, sixty-six million, three hundred sixteen thousand, six hundred fifty-four".