180422594018 has 16 divisors (see below), whose sum is σ = 279403282176. Its totient is φ = 87288984720.

The previous prime is 180422593963. The next prime is 180422594021. The reversal of 180422594018 is 810495224081.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 180422594018.

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, 248180 + ... + 649952.

It is an arithmetic number, because the mean of its divisors is an integer number (17462705136).

Almost surely, 2^180422594018 is an apocalyptic number.

180422594018 is a deficient number, since it is larger than the sum of its proper divisors (98980688158).

180422594018 is a wasteful number, since it uses less digits than its factorization.

180422594018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409049.

The product of its (nonzero) digits is 184320, while the sum is 44.

The spelling of 180422594018 in words is "one hundred eighty billion, four hundred twenty-two million, five hundred ninety-four thousand, eighteen".