80448440832 has 60 divisors (see below), whose sum is σ = 232179660570. Its totient is φ = 26816145408.

The previous prime is 80448440749. The next prime is 80448440837. The reversal of 80448440832 is 23804484408.

It can be written as a sum of positive squares in only one way, i.e., 55251323136 + 25197117696 = 235056^2 + 158736^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80448440837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8724607 + ... + 8733822.

Almost surely, 2^80448440832 is an apocalyptic number.

It is an amenable number.

80448440832 is an abundant number, since it is smaller than the sum of its proper divisors (151731219738).

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

80448440832 is a wasteful number, since it uses less digits than its factorization.

80448440832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17458453 (or 17458434 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 80448440832 in words is "eighty billion, four hundred forty-eight million, four hundred forty thousand, eight hundred thirty-two".