80340845129700 has 72 divisors (see below), whose sum is σ = 232565197374720. Its totient is φ = 21413870332800.

The previous prime is 80340845129689. The next prime is 80340845129707. The reversal of 80340845129700 is 792154804308.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80340845129707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64097236 + ... + 65338635.

It is an arithmetic number, because the mean of its divisors is an integer number (3230072185760).

Almost surely, 2^{80340845129700} is an apocalyptic number.

It is an amenable number.

80340845129700 is an abundant number, since it is smaller than the sum of its proper divisors (152224352245020).

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

80340845129700 is a wasteful number, since it uses less digits than its factorization.

80340845129700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129437957 (or 129437950 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 80340845129700 in words is "eighty trillion, three hundred forty billion, eight hundred forty-five million, one hundred twenty-nine thousand, seven hundred".