441002045 has 12 divisors (see below), whose sum is σ = 581686140. Its totient is φ = 320728320.

The previous prime is 441002021. The next prime is 441002047. The reversal of 441002045 is 540200144.

It can be written as a sum of positive squares in 2 ways, for example, as 329023321 + 111978724 = 18139^2 + 10582^2 .

It is a de Polignac number, because none of the positive numbers 2^k-441002045 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441002047) 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 11 ways as a sum of consecutive naturals, for example, 363860 + ... + 365069.

It is an arithmetic number, because the mean of its divisors is an integer number (48473845).

Almost surely, 2^441002045 is an apocalyptic number.

It is an amenable number.

441002045 is a deficient number, since it is larger than the sum of its proper divisors (140684095).

441002045 is a wasteful number, since it uses less digits than its factorization.

441002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728956 (or 728945 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 441002045 is about 21000.0486904197. The cubic root of 441002045 is about 761.1674376573.

Adding to 441002045 its reverse (540200144), we get a palindrome (981202189).

The spelling of 441002045 in words is "four hundred forty-one million, two thousand, forty-five".