42542075455 has 8 divisors (see below), whose sum is σ = 55691444304. Its totient is φ = 30939691200.

The previous prime is 42542075447. The next prime is 42542075467. The reversal of 42542075455 is 55457024524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42542075455 - 2³ = 42542075447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386746086 + ... + 386746195.

It is an arithmetic number, because the mean of its divisors is an integer number (6961430538).

Almost surely, 2^42542075455 is an apocalyptic number.

42542075455 is a deficient number, since it is larger than the sum of its proper divisors (13149368849).

42542075455 is a wasteful number, since it uses less digits than its factorization.

42542075455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773492297.

The product of its (nonzero) digits is 1120000, while the sum is 43.

Adding to 42542075455 its reverse (55457024524), we get a palindrome (97999099979).

The spelling of 42542075455 in words is "forty-two billion, five hundred forty-two million, seventy-five thousand, four hundred fifty-five".