42136817726 has 8 divisors (see below), whose sum is σ = 64095441264. Its totient is φ = 20771670640.

The previous prime is 42136817711. The next prime is 42136817747. The reversal of 42136817726 is 62771863124.

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

It is a super-2 number, since 2×42136817726² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148368935 + ... + 148369218.

It is an arithmetic number, because the mean of its divisors is an integer number (8011930158).

Almost surely, 2^42136817726 is an apocalyptic number.

42136817726 is a deficient number, since it is larger than the sum of its proper divisors (21958623538).

42136817726 is a wasteful number, since it uses less digits than its factorization.

42136817726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296738226.

The product of its digits is 677376, while the sum is 47.

The spelling of 42136817726 in words is "forty-two billion, one hundred thirty-six million, eight hundred seventeen thousand, seven hundred twenty-six".