80173445022 has 72 divisors (see below), whose sum is σ = 195811457400. Its totient is φ = 23511218400.

The previous prime is 80173444999. The next prime is 80173445029. The reversal of 80173445022 is 22054437108.

It is a happy number.

80173445022 is a `hidden beast` number, since 80 + 1 + 73 + 4 + 4 + 502 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80173445029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20397 + ... + 400952.

It is an arithmetic number, because the mean of its divisors is an integer number (2719603575).

Almost surely, 2^80173445022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80173445022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97905728700).

80173445022 is an abundant number, since it is smaller than the sum of its proper divisors (115638012378).

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

80173445022 is a wasteful number, since it uses less digits than its factorization.

80173445022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421430 (or 421396 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 80173445022 in words is "eighty billion, one hundred seventy-three million, four hundred forty-five thousand, twenty-two".