1140320044 has 12 divisors (see below), whose sum is σ = 2044232568. Its totient is φ = 556253600.

The previous prime is 1140320039. The next prime is 1140320047. The reversal of 1140320044 is 4400230411.

It is not an unprimeable number, because it can be changed into a prime (1140320047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3476422 + ... + 3476749.

It is an arithmetic number, because the mean of its divisors is an integer number (170352714).

Almost surely, 2^1140320044 is an apocalyptic number.

It is an amenable number.

1140320044 is a deficient number, since it is larger than the sum of its proper divisors (903912524).

1140320044 is a wasteful number, since it uses less digits than its factorization.

1140320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953216 (or 6953214 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1140320044 is about 33768.6251422826. The cubic root of 1140320044 is about 1044.7416755764.

Adding to 1140320044 its reverse (4400230411), we get a palindrome (5540550455).

The spelling of 1140320044 in words is "one billion, one hundred forty million, three hundred twenty thousand, forty-four".