459540909 has 24 divisors (see below), whose sum is σ = 674668800. Its totient is φ = 301371840.

The previous prime is 459540857. The next prime is 459540947. The reversal of 459540909 is 909045954.

It is not a de Polignac number, because 459540909 - 2¹⁷ = 459409837 is a prime.

It is a super-2 number, since 2×459540909² = 422355694089092562, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459544909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167652 + ... + 170370.

It is an arithmetic number, because the mean of its divisors is an integer number (28111200).

Almost surely, 2^459540909 is an apocalyptic number.

It is an amenable number.

459540909 is a deficient number, since it is larger than the sum of its proper divisors (215127891).

459540909 is a wasteful number, since it uses less digits than its factorization.

459540909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 459540909 is about 21436.9053037046. The cubic root of 459540909 is about 771.6873711778.

The spelling of 459540909 in words is "four hundred fifty-nine million, five hundred forty thousand, nine hundred nine".