1133263444 has 12 divisors (see below), whose sum is σ = 1994169268. Its totient is φ = 563500800.

The previous prime is 1133263441. The next prime is 1133263451. The reversal of 1133263444 is 4443623311.

It can be written as a sum of positive squares in 2 ways, for example, as 29030544 + 1104232900 = 5388^2 + 33230^2 .

It is a super-2 number, since 2×1133263444² = 2568572067013482272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133263441) 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 3 ways as a sum of consecutive naturals, for example, 781917 + ... + 783364.

Almost surely, 2^1133263444 is an apocalyptic number.

It is an amenable number.

1133263444 is a deficient number, since it is larger than the sum of its proper divisors (860905824).

1133263444 is a wasteful number, since it uses less digits than its factorization.

1133263444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565466 (or 1565464 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 1133263444 is about 33663.9784339285. The cubic root of 1133263444 is about 1042.5821695858.

Adding to 1133263444 its reverse (4443623311), we get a palindrome (5576886755).

The spelling of 1133263444 in words is "one billion, one hundred thirty-three million, two hundred sixty-three thousand, four hundred forty-four".