18027380735 has 16 divisors (see below), whose sum is σ = 26625055296. Its totient is φ = 11410737408.

The previous prime is 18027380719. The next prime is 18027380779. The reversal of 18027380735 is 53708372081.

It is not a de Polignac number, because 18027380735 - 2⁴ = 18027380719 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 19809854 + ... + 19810763.

It is an arithmetic number, because the mean of its divisors is an integer number (1664065956).

Almost surely, 2^18027380735 is an apocalyptic number.

18027380735 is a deficient number, since it is larger than the sum of its proper divisors (8597674561).

18027380735 is a wasteful number, since it uses less digits than its factorization.

18027380735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39620642.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 18027380735 in words is "eighteen billion, twenty-seven million, three hundred eighty thousand, seven hundred thirty-five".