80448794624 has 104 divisors (see below), whose sum is σ = 177124149840. Its totient is φ = 36229939200.

The previous prime is 80448794611. The next prime is 80448794651. The reversal of 80448794624 is 42649784408.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80448794624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4902914 + ... + 4919294.

Almost surely, 2^80448794624 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 80448794624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88562074920).

80448794624 is an abundant number, since it is smaller than the sum of its proper divisors (96675355216).

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

80448794624 is a wasteful number, since it uses less digits than its factorization.

80448794624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525 (or 16503 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 56.

The spelling of 80448794624 in words is "eighty billion, four hundred forty-eight million, seven hundred ninety-four thousand, six hundred twenty-four".