80452569136 has 80 divisors (see below), whose sum is σ = 167001811200. Its totient is φ = 37432454400.

The previous prime is 80452569077. The next prime is 80452569149. The reversal of 80452569136 is 63196525408.

It is a self number, because there is not a number n which added to its sum of digits gives 80452569136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15555831 + ... + 15561001.

It is an arithmetic number, because the mean of its divisors is an integer number (2087522640).

Almost surely, 2^80452569136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80452569136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83500905600).

80452569136 is an abundant number, since it is smaller than the sum of its proper divisors (86549242064).

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

80452569136 is a wasteful number, since it uses less digits than its factorization.

80452569136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6092 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 80452569136 in words is "eighty billion, four hundred fifty-two million, five hundred sixty-nine thousand, one hundred thirty-six".