80340698880 has 1008 divisors, whose sum is σ = 320904974880. Its totient is φ = 19134185472.

The previous prime is 80340698861. The next prime is 80340698891. The reversal of 80340698880 is 8889604308.

80340698880 is a `hidden beast` number, since 80 + 3 + 406 + 9 + 88 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 448830631 + ... + 448830809.

It is an arithmetic number, because the mean of its divisors is an integer number (318358110).

Almost surely, 2^80340698880 is an apocalyptic number.

80340698880 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 80340698880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160452487440).

80340698880 is an abundant number, since it is smaller than the sum of its proper divisors (240564276000).

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

80340698880 is a wasteful number, since it uses less digits than its factorization.

80340698880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 80340698880 in words is "eighty billion, three hundred forty million, six hundred ninety-eight thousand, eight hundred eighty".