180001844 has 24 divisors (see below), whose sum is σ = 343980000. Its totient is φ = 81738080.

The previous prime is 180001819. The next prime is 180001883. The reversal of 180001844 is 448100081.

180001844 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 84707 + ... + 86805.

It is an arithmetic number, because the mean of its divisors is an integer number (14332500).

Almost surely, 2^180001844 is an apocalyptic number.

It is an amenable number.

180001844 is a deficient number, since it is larger than the sum of its proper divisors (163978156).

180001844 is a wasteful number, since it uses less digits than its factorization.

180001844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063 (or 4061 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 180001844 is about 13416.4765866452. The cubic root of 180001844 is about 564.6235454003.

The spelling of 180001844 in words is "one hundred eighty million, one thousand, eight hundred forty-four".