459939654018 has 24 divisors (see below), whose sum is σ = 1073192526588. Its totient is φ = 141519893472.

The previous prime is 459939654017. The next prime is 459939654029. The reversal of 459939654018 is 810456939954.

459939654018 is a `hidden beast` number, since 4 + 59 + 9 + 39 + 6 + 540 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 411082298649 + 48857355369 = 641157^2 + 221037^2 .

It is not an unprimeable number, because it can be changed into a prime (459939654017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982776805 + ... + 982777272.

Almost surely, 2^459939654018 is an apocalyptic number.

459939654018 is an abundant number, since it is smaller than the sum of its proper divisors (613252872570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

459939654018 is a wasteful number, since it uses less digits than its factorization.

459939654018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965554098 (or 1965554095 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 459939654018 in words is "four hundred fifty-nine billion, nine hundred thirty-nine million, six hundred fifty-four thousand, eighteen".