42040844166 has 8 divisors (see below), whose sum is σ = 84081688344. Its totient is φ = 14013614720.

The previous prime is 42040844159. The next prime is 42040844191. The reversal of 42040844166 is 66144804024.

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

42040844166 is an admirable number.

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, 3503403675 + ... + 3503403686.

It is an arithmetic number, because the mean of its divisors is an integer number (10510211043).

Almost surely, 2^42040844166 is an apocalyptic number.

42040844166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42040844166 is a wasteful number, since it uses less digits than its factorization.

42040844166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7006807366.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 42040844166 in words is "forty-two billion, forty million, eight hundred forty-four thousand, one hundred sixty-six".