459540999 has 32 divisors (see below), whose sum is σ = 710758080. Its totient is φ = 293155200.

The previous prime is 459540953. The next prime is 459541001. The reversal of 459540999 is 999045954.

459540999 is a `hidden beast` number, since 4 + 5 + 9 + 540 + 9 + 99 = 666.

It is not a de Polignac number, because 459540999 - 2¹⁶ = 459475463 is a prime.

It is a super-2 number, since 2×459540999² = 422355859523836002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459540799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57169 + ... + 64709.

It is an arithmetic number, because the mean of its divisors is an integer number (22211190).

Almost surely, 2^459540999 is an apocalyptic number.

459540999 is a deficient number, since it is larger than the sum of its proper divisors (251217081).

459540999 is a wasteful number, since it uses less digits than its factorization.

459540999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648 (or 7642 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The square root of 459540999 is about 21436.9074028881. The cubic root of 459540999 is about 771.6874215556.

The spelling of 459540999 in words is "four hundred fifty-nine million, five hundred forty thousand, nine hundred ninety-nine".