80130305680 has 40 divisors (see below), whose sum is σ = 189818120952. Its totient is φ = 31447363584.

The previous prime is 80130305677. The next prime is 80130305711. The reversal of 80130305680 is 8650303108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18499264144 + 61631041536 = 136012^2 + 248256^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9445089 + ... + 9453568.

Almost surely, 2^80130305680 is an apocalyptic number.

80130305680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80130305680 is an abundant number, since it is smaller than the sum of its proper divisors (109687815272).

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

80130305680 is a wasteful number, since it uses less digits than its factorization.

80130305680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18898723 (or 18898717 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 80130305680 its reverse (8650303108), we get a palindrome (88780608788).

The spelling of 80130305680 in words is "eighty billion, one hundred thirty million, three hundred five thousand, six hundred eighty".