42166750838 has 8 divisors (see below), whose sum is σ = 63628870032. Its totient is φ = 20957127496.

The previous prime is 42166750837. The next prime is 42166750877. The reversal of 42166750838 is 83805766124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166750837) by changing a digit.

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, 63123545 + ... + 63124212.

It is an arithmetic number, because the mean of its divisors is an integer number (7953608754).

Almost surely, 2^42166750838 is an apocalyptic number.

42166750838 is a deficient number, since it is larger than the sum of its proper divisors (21462119194).

42166750838 is a wasteful number, since it uses less digits than its factorization.

42166750838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126247926.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 42166750838 in words is "forty-two billion, one hundred sixty-six million, seven hundred fifty thousand, eight hundred thirty-eight".