80529068032 has 312 divisors, whose sum is σ = 198471206400. Its totient is φ = 32622428160.

The previous prime is 80529068023. The next prime is 80529068033. The reversal of 80529068032 is 23086092508.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 80529068032.

It is not an unprimeable number, because it can be changed into a prime (80529068033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1872769003 + ... + 1872769045.

Almost surely, 2^80529068032 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 80529068032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99235603200).

80529068032 is an abundant number, since it is smaller than the sum of its proper divisors (117942138368).

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

80529068032 is an frugal number, since it uses more digits than its factorization.

80529068032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 80529068032 in words is "eighty billion, five hundred twenty-nine million, sixty-eight thousand, thirty-two".