459940319 has 4 divisors (see below), whose sum is σ = 475800360. Its totient is φ = 444080280.

The previous prime is 459940309. The next prime is 459940333. The reversal of 459940319 is 913049954.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913049954 = 2 ⋅456524977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459940319 is a prime.

It is a super-2 number, since 2×459940319² = 423090194083643522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 459940319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459940309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7929977 + ... + 7930034.

It is an arithmetic number, because the mean of its divisors is an integer number (118950090).

Almost surely, 2^459940319 is an apocalyptic number.

459940319 is a deficient number, since it is larger than the sum of its proper divisors (15860041).

459940319 is a wasteful number, since it uses less digits than its factorization.

459940319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15860040.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 459940319 is about 21446.2192239098. The cubic root of 459940319 is about 771.9108771404.

The spelling of 459940319 in words is "four hundred fifty-nine million, nine hundred forty thousand, three hundred nineteen".