80306323802840 has 64 divisors (see below), whose sum is σ = 181635430838400. Its totient is φ = 31954367861248.

The previous prime is 80306323802827. The next prime is 80306323802843. The reversal of 80306323802840 is 4820832360308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80306323802843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48731066 + ... + 50352054.

It is an arithmetic number, because the mean of its divisors is an integer number (2838053606850).

Almost surely, 2^{80306323802840} is an apocalyptic number.

It is an amenable number.

80306323802840 is an abundant number, since it is smaller than the sum of its proper divisors (101329107035560).

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

80306323802840 is a wasteful number, since it uses less digits than its factorization.

80306323802840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627484 (or 1627480 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 80306323802840 in words is "eighty trillion, three hundred six billion, three hundred twenty-three million, eight hundred two thousand, eight hundred forty".