1140344433 has 8 divisors (see below), whose sum is σ = 1689399200. Its totient is φ = 760229604.

The previous prime is 1140344407. The next prime is 1140344483. The reversal of 1140344433 is 3344430411.

It is not a de Polignac number, because 1140344433 - 2¹² = 1140340337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42234979 = 1140344433 / (1 + 1 + 4 + 0 + 3 + 4 + 4 + 4 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1140344397 and 1140344406.

It is not an unprimeable number, because it can be changed into a prime (1140344483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21117463 + ... + 21117516.

It is an arithmetic number, because the mean of its divisors is an integer number (211174900).

Almost surely, 2^1140344433 is an apocalyptic number.

It is an amenable number.

1140344433 is a deficient number, since it is larger than the sum of its proper divisors (549054767).

1140344433 is an equidigital number, since it uses as much as digits as its factorization.

1140344433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42234988 (or 42234982 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1140344433 is about 33768.9862595844. The cubic root of 1140344433 is about 1044.7491237845.

Adding to 1140344433 its reverse (3344430411), we get a palindrome (4484774844).

The spelling of 1140344433 in words is "one billion, one hundred forty million, three hundred forty-four thousand, four hundred thirty-three".