180340 has 24 divisors (see below), whose sum is σ = 387072. Its totient is φ = 70560.

The previous prime is 180337. The next prime is 180347. The reversal of 180340 is 43081.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357 + ... + 1483.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2¹⁸⁰³⁴⁰ is an apocalyptic number.

180340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180340 is an abundant number, since it is smaller than the sum of its proper divisors (206732).

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

180340 is a wasteful number, since it uses less digits than its factorization.

180340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 180340 is about 424.6645735166. The cubic root of 180340 is about 56.4976896228.

The spelling of 180340 in words is "one hundred eighty thousand, three hundred forty".