441645231 has 12 divisors (see below), whose sum is σ = 591009432. Its totient is φ = 293359248.

The previous prime is 441645221. The next prime is 441645233. The reversal of 441645231 is 132546144.

It is not a de Polignac number, because 441645231 - 2⁹ = 441644719 is a prime.

It is a super-2 number, since 2×441645231² = 390101020130086722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441645233) 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 11 ways as a sum of consecutive naturals, for example, 403521 + ... + 404613.

It is an arithmetic number, because the mean of its divisors is an integer number (49250786).

Almost surely, 2^441645231 is an apocalyptic number.

441645231 is a deficient number, since it is larger than the sum of its proper divisors (149364201).

441645231 is an equidigital number, since it uses as much as digits as its factorization.

441645231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1463 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 441645231 is about 21015.3570276596. The cubic root of 441645231 is about 761.5373032318.

The spelling of 441645231 in words is "four hundred forty-one million, six hundred forty-five thousand, two hundred thirty-one".