42448927866 has 32 divisors (see below), whose sum is σ = 86797267200. Its totient is φ = 13833720576.

The previous prime is 42448927853. The next prime is 42448927897. The reversal of 42448927866 is 66872984424.

It is a happy number.

It is a super-3 number, since 3×42448927866³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 183910 + ... + 344558.

It is an arithmetic number, because the mean of its divisors is an integer number (2712414600).

Almost surely, 2^42448927866 is an apocalyptic number.

42448927866 is an abundant number, since it is smaller than the sum of its proper divisors (44348339334).

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

42448927866 is a wasteful number, since it uses less digits than its factorization.

42448927866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161638.

The product of its digits is 37158912, while the sum is 60.

The spelling of 42448927866 in words is "forty-two billion, four hundred forty-eight million, nine hundred twenty-seven thousand, eight hundred sixty-six".