42542444456 has 32 divisors (see below), whose sum is σ = 83982410400. Its totient is φ = 20147590080.

The previous prime is 42542444453. The next prime is 42542444467. The reversal of 42542444456 is 65444424524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42542444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801626 + ... + 853046.

It is an arithmetic number, because the mean of its divisors is an integer number (2624450325).

Almost surely, 2^42542444456 is an apocalyptic number.

It is an amenable number.

42542444456 is a deficient number, since it is larger than the sum of its proper divisors (41439965944).

42542444456 is a wasteful number, since it uses less digits than its factorization.

42542444456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56889 (or 56885 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 44.

The spelling of 42542444456 in words is "forty-two billion, five hundred forty-two million, four hundred forty-four thousand, four hundred fifty-six".