441504020 has 12 divisors (see below), whose sum is σ = 927158484. Its totient is φ = 176601600.

The previous prime is 441504013. The next prime is 441504103. The reversal of 441504020 is 20405144.

It can be written as a sum of positive squares in 2 ways, for example, as 234028804 + 207475216 = 15298^2 + 14404^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 22075201 = 441504020 / (4 + 4 + 1 + 5 + 0 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 441503983 and 441504001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11037581 + ... + 11037620.

It is an arithmetic number, because the mean of its divisors is an integer number (77263207).

Almost surely, 2^441504020 is an apocalyptic number.

It is an amenable number.

441504020 is an abundant number, since it is smaller than the sum of its proper divisors (485654464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441504020 is a wasteful number, since it uses less digits than its factorization.

441504020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22075210 (or 22075208 counting only the distinct ones).

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

The square root of 441504020 is about 21011.9970493050. The cubic root of 441504020 is about 761.4561303054.

Adding to 441504020 its reverse (20405144), we get a palindrome (461909164).

The spelling of 441504020 in words is "four hundred forty-one million, five hundred four thousand, twenty".