80436018036 has 48 divisors (see below), whose sum is σ = 204799815360. Its totient is φ = 24368171520.

The previous prime is 80436018017. The next prime is 80436018037. The reversal of 80436018036 is 63081063408.

It is a junction number, because it is equal to n+sod(n) for n = 80436017985 and 80436018003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80436018037) 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, 439260 + ... + 594828.

It is an arithmetic number, because the mean of its divisors is an integer number (4266662820).

Almost surely, 2^80436018036 is an apocalyptic number.

It is an amenable number.

80436018036 is an abundant number, since it is smaller than the sum of its proper divisors (124363797324).

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

80436018036 is a wasteful number, since it uses less digits than its factorization.

80436018036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159504 (or 159502 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 80436018036 in words is "eighty billion, four hundred thirty-six million, eighteen thousand, thirty-six".