441161281 has 8 divisors (see below), whose sum is σ = 485245728. Its totient is φ = 401054500.

The previous prime is 441161251. The next prime is 441161291. The reversal of 441161281 is 182161144.

It is not a de Polignac number, because 441161281 - 2¹⁷ = 441030209 is a prime.

It is a super-2 number, since 2×441161281² = 389246551707121922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (441161251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164395 + ... + 167056.

It is an arithmetic number, because the mean of its divisors is an integer number (60655716).

Almost surely, 2^441161281 is an apocalyptic number.

It is an amenable number.

441161281 is a deficient number, since it is larger than the sum of its proper divisors (44084447).

441161281 is an equidigital number, since it uses as much as digits as its factorization.

441161281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331484 (or 331462 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 441161281 is about 21003.8396727836. The cubic root of 441161281 is about 761.2590401598.

The spelling of 441161281 in words is "four hundred forty-one million, one hundred sixty-one thousand, two hundred eighty-one".