18040648675 has 24 divisors (see below), whose sum is σ = 26911769600. Its totient is φ = 11719637280.

The previous prime is 18040648673. The next prime is 18040648699. The reversal of 18040648675 is 57684604081.

It is not a de Polignac number, because 18040648675 - 2¹ = 18040648673 is a prime.

It is a super-2 number, since 2×18040648675² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18040648673) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2709555 + ... + 2716204.

Almost surely, 2^18040648675 is an apocalyptic number.

18040648675 is a deficient number, since it is larger than the sum of its proper divisors (8871120925).

18040648675 is a wasteful number, since it uses less digits than its factorization.

18040648675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425795 (or 5425790 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 18040648675 in words is "eighteen billion, forty million, six hundred forty-eight thousand, six hundred seventy-five".