80129594880 has 240 divisors, whose sum is σ = 277865050320. Its totient is φ = 21340667904.

The previous prime is 80129594869. The next prime is 80129594887. The reversal of 80129594880 is 8849592108.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80129594887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23476054 + ... + 23479466.

It is an arithmetic number, because the mean of its divisors is an integer number (1157771043).

Almost surely, 2^80129594880 is an apocalyptic number.

80129594880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80129594880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138932525160).

80129594880 is an abundant number, since it is smaller than the sum of its proper divisors (197735455440).

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

80129594880 is a wasteful number, since it uses less digits than its factorization.

80129594880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 80129594880 in words is "eighty billion, one hundred twenty-nine million, five hundred ninety-four thousand, eight hundred eighty".