80413320040 has 16 divisors (see below), whose sum is σ = 180929970180. Its totient is φ = 32165328000.

The previous prime is 80413320007. The next prime is 80413320047. The reversal of 80413320040 is 4002331408.

It can be written as a sum of positive squares in 2 ways, for example, as 75733939204 + 4679380836 = 275198^2 + 68406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80413319987 and 80413320014.

It is not an unprimeable number, because it can be changed into a prime (80413320047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005166461 + ... + 1005166540.

Almost surely, 2^80413320040 is an apocalyptic number.

It is an amenable number.

80413320040 is an abundant number, since it is smaller than the sum of its proper divisors (100516650140).

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

80413320040 is a wasteful number, since it uses less digits than its factorization.

80413320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010333012 (or 2010333008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 80413320040 its reverse (4002331408), we get a palindrome (84415651448).

The spelling of 80413320040 in words is "eighty billion, four hundred thirteen million, three hundred twenty thousand, forty".