80020459008 has 480 divisors, whose sum is σ = 291788244000. Its totient is φ = 21515010048.

The previous prime is 80020459007. The next prime is 80020459019. The reversal of 80020459008 is 80095402008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020459007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11511918 + ... + 11518866.

It is an arithmetic number, because the mean of its divisors is an integer number (607892175).

Almost surely, 2^80020459008 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 80020459008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145894122000).

80020459008 is an abundant number, since it is smaller than the sum of its proper divisors (211767784992).

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

80020459008 is a wasteful number, since it uses less digits than its factorization.

80020459008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007 (or 6978 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 80020459008 in words is "eighty billion, twenty million, four hundred fifty-nine thousand, eight".