42138581176 has 8 divisors (see below), whose sum is σ = 79009839720. Its totient is φ = 21069290584.

The previous prime is 42138581143. The next prime is 42138581183. The reversal of 42138581176 is 67118583124.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633661316 + ... + 2633661331.

It is an arithmetic number, because the mean of its divisors is an integer number (9876229965).

Almost surely, 2^42138581176 is an apocalyptic number.

It is an amenable number.

42138581176 is a deficient number, since it is larger than the sum of its proper divisors (36871258544).

42138581176 is a wasteful number, since it uses less digits than its factorization.

42138581176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267322653 (or 5267322649 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The spelling of 42138581176 in words is "forty-two billion, one hundred thirty-eight million, five hundred eighty-one thousand, one hundred seventy-six".