1140304044 has 96 divisors (see below), whose sum is σ = 2947940352. Its totient is φ = 340200000.

The previous prime is 1140304043. The next prime is 1140304127. The reversal of 1140304044 is 4404030411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140304044.

It is not an unprimeable number, because it can be changed into a prime (1140304043) 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 31 ways as a sum of consecutive naturals, for example, 4207629 + ... + 4207899.

It is an arithmetic number, because the mean of its divisors is an integer number (30707712).

Almost surely, 2^1140304044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140304044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473970176).

1140304044 is an abundant number, since it is smaller than the sum of its proper divisors (1807636308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140304044 is a wasteful number, since it uses less digits than its factorization.

1140304044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1140304044 is about 33768.3882351527. The cubic root of 1140304044 is about 1044.7367892450.

Adding to 1140304044 its reverse (4404030411), we get a palindrome (5544334455).

The spelling of 1140304044 in words is "one billion, one hundred forty million, three hundred four thousand, forty-four".