80646482420 has 96 divisors (see below), whose sum is σ = 202840108800. Its totient is φ = 26902834560.

The previous prime is 80646482351. The next prime is 80646482443. The reversal of 80646482420 is 2428464608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94955 + ... + 412685.

It is an arithmetic number, because the mean of its divisors is an integer number (2112917800).

Almost surely, 2^80646482420 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 80646482420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101420054400).

80646482420 is an abundant number, since it is smaller than the sum of its proper divisors (122193626380).

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

80646482420 is a wasteful number, since it uses less digits than its factorization.

80646482420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317798 (or 317782 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 80646482420 in words is "eighty billion, six hundred forty-six million, four hundred eighty-two thousand, four hundred twenty".