80445733860 has 96 divisors (see below), whose sum is σ = 230776584192. Its totient is φ = 20926926720.

The previous prime is 80445733853. The next prime is 80445733861. The reversal of 80445733860 is 6833754408.

It is not an unprimeable number, because it can be changed into a prime (80445733861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2073157 + ... + 2111603.

It is an arithmetic number, because the mean of its divisors is an integer number (2403922752).

Almost surely, 2^80445733860 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 80445733860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115388292096).

80445733860 is an abundant number, since it is smaller than the sum of its proper divisors (150330850332).

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

80445733860 is a wasteful number, since it uses less digits than its factorization.

80445733860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39313 (or 39311 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 80445733860 in words is "eighty billion, four hundred forty-five million, seven hundred thirty-three thousand, eight hundred sixty".