1053281444 has 12 divisors (see below), whose sum is σ = 1951668684. Its totient is φ = 495661824.

The previous prime is 1053281441. The next prime is 1053281459. The reversal of 1053281444 is 4441823501.

It can be written as a sum of positive squares in 2 ways, for example, as 688012900 + 365268544 = 26230^2 + 19112^2 .

It is a super-2 number, since 2×1053281444² = 2218803600549450272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053281444.

It is not an unprimeable number, because it can be changed into a prime (1053281441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7744649 + ... + 7744784.

It is an arithmetic number, because the mean of its divisors is an integer number (162639057).

Almost surely, 2^1053281444 is an apocalyptic number.

It is an amenable number.

1053281444 is a deficient number, since it is larger than the sum of its proper divisors (898387240).

1053281444 is a wasteful number, since it uses less digits than its factorization.

1053281444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489454 (or 15489452 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1053281444 is about 32454.2977739467. The cubic root of 1053281444 is about 1017.4540645370.

It can be divided in two parts, 1053281 and 444, that multiplied together give a palindrome (467656764).

The spelling of 1053281444 in words is "one billion, fifty-three million, two hundred eighty-one thousand, four hundred forty-four".