180838830 has 16 divisors (see below), whose sum is σ = 434013264. Its totient is φ = 48223680.

The previous prime is 180838813. The next prime is 180838837. The reversal of 180838830 is 38838081.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180838837) 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, 3013951 + ... + 3014010.

It is an arithmetic number, because the mean of its divisors is an integer number (27125829).

Almost surely, 2^180838830 is an apocalyptic number.

180838830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180838830 is an abundant number, since it is smaller than the sum of its proper divisors (253174434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180838830 is a wasteful number, since it uses less digits than its factorization.

180838830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027971.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 180838830 is about 13447.6328772018. The cubic root of 180838830 is about 565.4973353502.

The spelling of 180838830 in words is "one hundred eighty million, eight hundred thirty-eight thousand, eight hundred thirty".