18040984411024 has 15 divisors (see below), whose sum is σ = 34954440214267. Its totient is φ = 9020483710576.

The previous prime is 18040984411007. The next prime is 18040984411039. The reversal of 18040984411024 is 42011448904081.

It is a happy number.

The square root of 18040984411024 is 4247468.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 16458939 + ... + 17520805.

Almost surely, 2^{18040984411024} is an apocalyptic number.

18040984411024 is the 4247468-th square number.

It is an amenable number.

18040984411024 is a deficient number, since it is larger than the sum of its proper divisors (16913455803243).

18040984411024 is an frugal number, since it uses more digits than its factorization.

18040984411024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123742 (or 1061869 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 18040984411024 in words is "eighteen trillion, forty billion, nine hundred eighty-four million, four hundred eleven thousand, twenty-four".