80138142032 has 80 divisors (see below), whose sum is σ = 173081422080. Its totient is φ = 35689920000.

The previous prime is 80138141999. The next prime is 80138142041. The reversal of 80138142032 is 23024183108.

It is a self number, because there is not a number n which added to its sum of digits gives 80138142032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14178407 + ... + 14184057.

It is an arithmetic number, because the mean of its divisors is an integer number (2163517776).

Almost surely, 2^80138142032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80138142032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86540711040).

80138142032 is an abundant number, since it is smaller than the sum of its proper divisors (92943280048).

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

80138142032 is a wasteful number, since it uses less digits than its factorization.

80138142032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052 (or 8046 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 80138142032 in words is "eighty billion, one hundred thirty-eight million, one hundred forty-two thousand, thirty-two".