80528363344 has 120 divisors (see below), whose sum is σ = 187720486856. Its totient is φ = 33233587200.

The previous prime is 80528363341. The next prime is 80528363353. The reversal of 80528363344 is 44336382508.

It can be written as a sum of positive squares in 4 ways, for example, as 1897473600 + 78630889744 = 43560^2 + 280412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80528363294 and 80528363303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80528363341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1509022 + ... + 1561474.

Almost surely, 2^80528363344 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 80528363344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93860243428).

80528363344 is an abundant number, since it is smaller than the sum of its proper divisors (107192123512).

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

80528363344 is a wasteful number, since it uses less digits than its factorization.

80528363344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52557 (or 52540 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 80528363344 in words is "eighty billion, five hundred twenty-eight million, three hundred sixty-three thousand, three hundred forty-four".