180994800 has 240 divisors, whose sum is σ = 686384640. Its totient is φ = 39889920.

The previous prime is 180994799. The next prime is 180994811. The reversal of 180994800 is 8499081.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243229 + ... + 243971.

It is an arithmetic number, because the mean of its divisors is an integer number (2859936).

Almost surely, 2^180994800 is an apocalyptic number.

180994800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180994800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343192320).

180994800 is an abundant number, since it is smaller than the sum of its proper divisors (505389840).

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

180994800 is a wasteful number, since it uses less digits than its factorization.

180994800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 180994800 is about 13453.4307892076. The cubic root of 180994800 is about 565.6598654780.

The spelling of 180994800 in words is "one hundred eighty million, nine hundred ninety-four thousand, eight hundred".