441441345 has 16 divisors (see below), whose sum is σ = 743480640. Its totient is φ = 223043904.

The previous prime is 441441337. The next prime is 441441347. The reversal of 441441345 is 543144144.

It is not a de Polignac number, because 441441345 - 2³ = 441441337 is a prime.

It is a super-2 number, since 2×441441345² = 389740922150818050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (441441347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774174 + ... + 774743.

It is an arithmetic number, because the mean of its divisors is an integer number (46467540).

Almost surely, 2^441441345 is an apocalyptic number.

It is an amenable number.

441441345 is a deficient number, since it is larger than the sum of its proper divisors (302039295).

441441345 is a wasteful number, since it uses less digits than its factorization.

441441345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548944.

The product of its digits is 15360, while the sum is 30.

The square root of 441441345 is about 21010.5055864917. The cubic root of 441441345 is about 761.4200970198.

Adding to 441441345 its reverse (543144144), we get a palindrome (984585489).

The spelling of 441441345 in words is "four hundred forty-one million, four hundred forty-one thousand, three hundred forty-five".