180199023408 has 80 divisors (see below), whose sum is σ = 517499422560. Its totient is φ = 60035975424.

The previous prime is 180199023397. The next prime is 180199023437. The reversal of 180199023408 is 804320991081.

180199023408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758266 + ... + 967142.

It is an arithmetic number, because the mean of its divisors is an integer number (6468742782).

Almost surely, 2^180199023408 is an apocalyptic number.

180199023408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

180199023408 is an abundant number, since it is smaller than the sum of its proper divisors (337300399152).

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

180199023408 is a wasteful number, since it uses less digits than its factorization.

180199023408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210891 (or 210879 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 180199023408 in words is "one hundred eighty billion, one hundred ninety-nine million, twenty-three thousand, four hundred eight".