1140444433 has 2 divisors, whose sum is σ = 1140444434. Its totient is φ = 1140444432.

The previous prime is 1140444427. The next prime is 1140444449. The reversal of 1140444433 is 3344440411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133197569 + 7246864 = 33663^2 + 2692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140444433 - 2²¹ = 1138347281 is a prime.

It is a super-2 number, since 2×1140444433² = 2601227009521382978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1140445433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570222216 + 570222217.

It is an arithmetic number, because the mean of its divisors is an integer number (570222217).

Almost surely, 2^1140444433 is an apocalyptic number.

It is an amenable number.

1140444433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140444433 is an equidigital number, since it uses as much as digits as its factorization.

1140444433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1140444433 is about 33770.4668756593. The cubic root of 1140444433 is about 1044.7796618850.

Adding to 1140444433 its reverse (3344440411), we get a palindrome (4484884844).

The spelling of 1140444433 in words is "one billion, one hundred forty million, four hundred forty-four thousand, four hundred thirty-three".