439452465 has 32 divisors (see below), whose sum is σ = 746050176. Its totient is φ = 220124160.

The previous prime is 439452451. The next prime is 439452511. The reversal of 439452465 is 564254934.

It is not a de Polignac number, because 439452465 - 2⁷ = 439452337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142035 + ... + 145095.

It is an arithmetic number, because the mean of its divisors is an integer number (23314068).

Almost surely, 2^439452465 is an apocalyptic number.

It is an amenable number.

439452465 is a deficient number, since it is larger than the sum of its proper divisors (306597711).

439452465 is a wasteful number, since it uses less digits than its factorization.

439452465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649.

The product of its digits is 518400, while the sum is 42.

The square root of 439452465 is about 20963.1215471361. The cubic root of 439452465 is about 760.2748688358.

The spelling of 439452465 in words is "four hundred thirty-nine million, four hundred fifty-two thousand, four hundred sixty-five".