80680741340 has 48 divisors (see below), whose sum is σ = 172776475872. Its totient is φ = 31641010176.

The previous prime is 80680741307. The next prime is 80680741343. The reversal of 80680741340 is 4314708608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80680741343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244 + ... + 401916.

It is an arithmetic number, because the mean of its divisors is an integer number (3599509914).

Almost surely, 2^80680741340 is an apocalyptic number.

It is an amenable number.

80680741340 is an abundant number, since it is smaller than the sum of its proper divisors (92095734532).

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

80680741340 is a wasteful number, since it uses less digits than its factorization.

80680741340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388886 (or 388884 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 80680741340 in words is "eighty billion, six hundred eighty million, seven hundred forty-one thousand, three hundred forty".