180344428112 has 10 divisors (see below), whose sum is σ = 349417329498. Its totient is φ = 90172214048.

The previous prime is 180344428091. The next prime is 180344428123. The reversal of 180344428112 is 211824443081.

It can be written as a sum of positive squares in only one way, i.e., 176699166736 + 3645261376 = 420356^2 + 60376^2 .

It is a super-2 number, since 2×180344428112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635763363 + ... + 5635763394.

Almost surely, 2^180344428112 is an apocalyptic number.

It is an amenable number.

180344428112 is a deficient number, since it is larger than the sum of its proper divisors (169072901386).

180344428112 is a wasteful number, since it uses less digits than its factorization.

180344428112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271526765 (or 11271526759 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 180344428112 in words is "one hundred eighty billion, three hundred forty-four million, four hundred twenty-eight thousand, one hundred twelve".