180040546 has 16 divisors (see below), whose sum is σ = 308923776. Its totient is φ = 77089536.

The previous prime is 180040513. The next prime is 180040547. The reversal of 180040546 is 645040081.

It is not an unprimeable number, because it can be changed into a prime (180040547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11755 + ... + 22321.

It is an arithmetic number, because the mean of its divisors is an integer number (19307736).

Almost surely, 2^180040546 is an apocalyptic number.

180040546 is a deficient number, since it is larger than the sum of its proper divisors (128883230).

180040546 is a wasteful number, since it uses less digits than its factorization.

180040546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 180040546 is about 13417.9188401182. The cubic root of 180040546 is about 564.6640088645.

The spelling of 180040546 in words is "one hundred eighty million, forty thousand, five hundred forty-six".