42542541464 has 8 divisors (see below), whose sum is σ = 79767265260. Its totient is φ = 21271270728.

The previous prime is 42542541427. The next prime is 42542541467. The reversal of 42542541464 is 46414524524.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42542541467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2658908834 + ... + 2658908849.

Almost surely, 2^42542541464 is an apocalyptic number.

It is an amenable number.

42542541464 is a deficient number, since it is larger than the sum of its proper divisors (37224723796).

42542541464 is a wasteful number, since it uses less digits than its factorization.

42542541464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317817689 (or 5317817685 counting only the distinct ones).

The product of its digits is 614400, while the sum is 41.

The spelling of 42542541464 in words is "forty-two billion, five hundred forty-two million, five hundred forty-one thousand, four hundred sixty-four".