180344324738385 has 32 divisors (see below), whose sum is σ = 331667723664000. Its totient is φ = 92866962621888.

The previous prime is 180344324738323. The next prime is 180344324738407. The reversal of 180344324738385 is 583837423443081.

180344324738385 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 4 + 4 + 3 + 2 + 473 + 83 + 85 = 666.

It is not a de Polignac number, because 180344324738385 - 2⁶ = 180344324738321 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23032476895 + ... + 23032484724.

It is an arithmetic number, because the mean of its divisors is an integer number (10364616364500).

Almost surely, 2^{180344324738385} is an apocalyptic number.

180344324738385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180344324738385 is a deficient number, since it is larger than the sum of its proper divisors (151323398925615).

180344324738385 is a wasteful number, since it uses less digits than its factorization.

180344324738385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46064961662 (or 46064961656 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 63.

The spelling of 180344324738385 in words is "one hundred eighty trillion, three hundred forty-four billion, three hundred twenty-four million, seven hundred thirty-eight thousand, three hundred eighty-five".