441543641 has 24 divisors (see below), whose sum is σ = 583880640. Its totient is φ = 325939680.

The previous prime is 441543623. The next prime is 441543727. The reversal of 441543641 is 146345144.

It is a de Polignac number, because none of the positive numbers 2^k-441543641 is a prime.

It is a super-4 number, since 4×441543641⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 441543598 and 441543607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441543611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2375 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (24328360).

Almost surely, 2^441543641 is an apocalyptic number.

It is an amenable number.

441543641 is a deficient number, since it is larger than the sum of its proper divisors (142336999).

441543641 is a wasteful number, since it uses less digits than its factorization.

441543641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27485 (or 27474 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 441543641 is about 21012.9398466754. The cubic root of 441543641 is about 761.4789075619.

Adding to 441543641 its reverse (146345144), we get a palindrome (587888785).

The spelling of 441543641 in words is "four hundred forty-one million, five hundred forty-three thousand, six hundred forty-one".