1140042044 has 24 divisors (see below), whose sum is σ = 2005830288. Its totient is φ = 566956800.

The previous prime is 1140042017. The next prime is 1140042053. The reversal of 1140042044 is 4402400411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 948644 + ... + 949844.

It is an arithmetic number, because the mean of its divisors is an integer number (83576262).

Almost surely, 2^1140042044 is an apocalyptic number.

It is an amenable number.

1140042044 is a deficient number, since it is larger than the sum of its proper divisors (865788244).

1140042044 is a wasteful number, since it uses less digits than its factorization.

1140042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1140042044 is about 33764.5086444331. The cubic root of 1140042044 is about 1044.6567690648.

Adding to 1140042044 its reverse (4402400411), we get a palindrome (5542442455).

The spelling of 1140042044 in words is "one billion, one hundred forty million, forty-two thousand, forty-four".