180043493338 has 16 divisors (see below), whose sum is σ = 279388171080. Its totient is φ = 86914332736.

The previous prime is 180043493321. The next prime is 180043493341. The reversal of 180043493338 is 833394340081.

It can be written as a sum of positive squares in 4 ways, for example, as 86099404329 + 93944089009 = 293427^2 + 306503^2 .

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, 2488320 + ... + 2559652.

Almost surely, 2^180043493338 is an apocalyptic number.

180043493338 is a deficient number, since it is larger than the sum of its proper divisors (99344677742).

180043493338 is a wasteful number, since it uses less digits than its factorization.

180043493338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114881.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 180043493338 in words is "one hundred eighty billion, forty-three million, four hundred ninety-three thousand, three hundred thirty-eight".