80680155408 has 320 divisors, whose sum is σ = 240413184000. Its totient is φ = 25894826496.

The previous prime is 80680155403. The next prime is 80680155433. The reversal of 80680155408 is 80455108608.

It is not an unprimeable number, because it can be changed into a prime (80680155403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337573753 + ... + 337573991.

It is an arithmetic number, because the mean of its divisors is an integer number (751291200).

Almost surely, 2^80680155408 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 80680155408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120206592000).

80680155408 is an abundant number, since it is smaller than the sum of its proper divisors (159733028592).

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

80680155408 is a wasteful number, since it uses less digits than its factorization.

80680155408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 80680155408 in words is "eighty billion, six hundred eighty million, one hundred fifty-five thousand, four hundred eight".