180512817424 has 15 divisors (see below), whose sum is σ = 349746876517. Its totient is φ = 90255558976.

The previous prime is 180512817403. The next prime is 180512817427. The reversal of 180512817424 is 424718215081.

The square root of 180512817424 is 424868.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23722160400 + 156790657024 = 154020^2 + 395968^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180512817427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1646364 + ... + 1752580.

Almost surely, 2^180512817424 is an apocalyptic number.

180512817424 is the 424868-th square number.

It is an amenable number.

180512817424 is a deficient number, since it is larger than the sum of its proper divisors (169234059093).

180512817424 is an frugal number, since it uses more digits than its factorization.

180512817424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212442 (or 106219 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The spelling of 180512817424 in words is "one hundred eighty billion, five hundred twelve million, eight hundred seventeen thousand, four hundred twenty-four".