42178241768 has 16 divisors (see below), whose sum is σ = 85167603780. Its totient is φ = 19466880768.

The previous prime is 42178241747. The next prime is 42178241783. The reversal of 42178241768 is 86714287124.

It can be written as a sum of positive squares in 2 ways, for example, as 35956502884 + 6221738884 = 189622^2 + 78878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202779905 + ... + 202780112.

Almost surely, 2^42178241768 is an apocalyptic number.

It is an amenable number.

42178241768 is an abundant number, since it is smaller than the sum of its proper divisors (42989362012).

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

42178241768 is a wasteful number, since it uses less digits than its factorization.

42178241768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405560036 (or 405560032 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The spelling of 42178241768 in words is "forty-two billion, one hundred seventy-eight million, two hundred forty-one thousand, seven hundred sixty-eight".