460509021 has 24 divisors (see below), whose sum is σ = 760768320. Its totient is φ = 262953216.

The previous prime is 460509019. The next prime is 460509029. The reversal of 460509021 is 120905064.

It is not a de Polignac number, because 460509021 - 2¹ = 460509019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460509029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161950 + ... + 164768.

It is an arithmetic number, because the mean of its divisors is an integer number (31698680).

Almost surely, 2^460509021 is an apocalyptic number.

It is an amenable number.

460509021 is a deficient number, since it is larger than the sum of its proper divisors (300259299).

460509021 is a wasteful number, since it uses less digits than its factorization.

460509021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5422 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 460509021 is about 21459.4739217903. The cubic root of 460509021 is about 772.2288940905.

The spelling of 460509021 in words is "four hundred sixty million, five hundred nine thousand, twenty-one".