18330340726 has 16 divisors (see below), whose sum is σ = 27604053648. Its totient is φ = 9129016800.

The previous prime is 18330340711. The next prime is 18330340727. The reversal of 18330340726 is 62704303381.

It is a super-2 number, since 2×18330340726² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18330340727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795356 + ... + 1805536.

It is an arithmetic number, because the mean of its divisors is an integer number (1725253353).

Almost surely, 2^18330340726 is an apocalyptic number.

18330340726 is a deficient number, since it is larger than the sum of its proper divisors (9273712922).

18330340726 is a wasteful number, since it uses less digits than its factorization.

18330340726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 18330340726 in words is "eighteen billion, three hundred thirty million, three hundred forty thousand, seven hundred twenty-six".