180805010 has 16 divisors (see below), whose sum is σ = 325774872. Its totient is φ = 72249600.

The previous prime is 180805003. The next prime is 180805019. The reversal of 180805010 is 10508081.

It can be written as a sum of positive squares in 4 ways, for example, as 177076249 + 3728761 = 13307^2 + 1931^2 .

It is a super-2 number, since 2×180805010² = 65380903282200200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180805019) 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, 2090 + ... + 19130.

Almost surely, 2^180805010 is an apocalyptic number.

180805010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180805010 is a deficient number, since it is larger than the sum of its proper divisors (144969862).

180805010 is a wasteful number, since it uses less digits than its factorization.

180805010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 180805010 is about 13446.3753480260. The cubic root of 180805010 is about 565.4620805467.

The spelling of 180805010 in words is "one hundred eighty million, eight hundred five thousand, ten".