24172985380018 has 24 divisors (see below), whose sum is σ = 38292277872492. Its totient is φ = 11443191030432.

The previous prime is 24172985380009. The next prime is 24172985380021. The reversal of 24172985380018 is 81008358927142.

It can be written as a sum of positive squares in 2 ways, for example, as 24000367566289 + 172617813729 = 4899017^2 + 415473^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9329305 + ... + 11635372.

Almost surely, 2^{24172985380018} is an apocalyptic number.

24172985380018 is a deficient number, since it is larger than the sum of its proper divisors (14119292492474).

24172985380018 is a wasteful number, since it uses less digits than its factorization.

24172985380018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20966314 (or 20966295 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 24172985380018 in words is "twenty-four trillion, one hundred seventy-two billion, nine hundred eighty-five million, three hundred eighty thousand, eighteen".