10505444 has 18 divisors (see below), whose sum is σ = 18682902. Its totient is φ = 5168800.

The previous prime is 10505441. The next prime is 10505449. The reversal of 10505444 is 44450501.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 2439844 = 2840^2 + 1562^2 .

It is a super-2 number, since 2×10505444² = 220728707274272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19904 + ... + 20424.

It is an arithmetic number, because the mean of its divisors is an integer number (1037939).

Almost surely, 2^10505444 is an apocalyptic number.

It is an amenable number.

10505444 is a deficient number, since it is larger than the sum of its proper divisors (8177458).

10505444 is an equidigital number, since it uses as much as digits as its factorization.

10505444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 10505444 is about 3241.2102677858. The cubic root of 10505444 is about 219.0137950624.

Adding to 10505444 its reverse (44450501), we get a palindrome (54955945).

The spelling of 10505444 in words is "ten million, five hundred five thousand, four hundred forty-four".