42542541492 has 36 divisors (see below), whose sum is σ = 109110488928. Its totient is φ = 12891678800.

The previous prime is 42542541469. The next prime is 42542541511. The reversal of 42542541492 is 29414524524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14648184 + ... + 14651087.

Almost surely, 2^42542541492 is an apocalyptic number.

It is an amenable number.

42542541492 is an abundant number, since it is smaller than the sum of its proper divisors (66567947436).

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

42542541492 is a wasteful number, since it uses less digits than its factorization.

42542541492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29299300 (or 29299287 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The spelling of 42542541492 in words is "forty-two billion, five hundred forty-two million, five hundred forty-one thousand, four hundred ninety-two".