464144443 has 8 divisors (see below), whose sum is σ = 538368512. Its totient is φ = 391899816.

The previous prime is 464144441. The next prime is 464144459. The reversal of 464144443 is 344441464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 464144443 - 2¹ = 464144441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464144399 and 464144408.

It is not an unprimeable number, because it can be changed into a prime (464144441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494355 + ... + 495292.

It is an arithmetic number, because the mean of its divisors is an integer number (67296064).

Almost surely, 2^464144443 is an apocalyptic number.

464144443 is a deficient number, since it is larger than the sum of its proper divisors (74224069).

464144443 is an equidigital number, since it uses as much as digits as its factorization.

464144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989721.

The product of its digits is 73728, while the sum is 34.

The square root of 464144443 is about 21544.0117666139. The cubic root of 464144443 is about 774.2556532731.

The spelling of 464144443 in words is "four hundred sixty-four million, one hundred forty-four thousand, four hundred forty-three".