558004518009 has 81 divisors (see below), whose sum is σ = 870892756461. Its totient is φ = 344216217600.

The previous prime is 558004518007. The next prime is 558004518047. The reversal of 558004518009 is 900815400855.

It is a happy number.

The square root of 558004518009 is 746997.

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

558004518009 is a `hidden beast` number, since 55 + 80 + 0 + 4 + 518 + 0 + 0 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32669478009 + 525335040000 = 180747^2 + 724800^2 .

It is not a de Polignac number, because 558004518009 - 2¹ = 558004518007 is a prime.

It is a super-2 number, since 2×558004518009² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (558004518007) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3695394084 + ... + 3695394234.

Almost surely, 2^558004518009 is an apocalyptic number.

558004518009 is the 746997-th square number.

558004518009 is the 373499-th centered octagonal number.

It is an amenable number.

558004518009 is a deficient number, since it is larger than the sum of its proper divisors (312888238452).

558004518009 is an equidigital number, since it uses as much as digits as its factorization.

558004518009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 558004518009 in words is "five hundred fifty-eight billion, four million, five hundred eighteen thousand, nine".