1140044001 has 8 divisors (see below), whose sum is σ = 1520214624. Its totient is φ = 759951360.

The previous prime is 1140043999. The next prime is 1140044051. The reversal of 1140044001 is 1004400411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140044001 - 2¹ = 1140043999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140044051) 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, 48606 + ... + 68136.

It is an arithmetic number, because the mean of its divisors is an integer number (190026828).

Almost surely, 2^1140044001 is an apocalyptic number.

It is an amenable number.

1140044001 is a deficient number, since it is larger than the sum of its proper divisors (380170623).

1140044001 is a wasteful number, since it uses less digits than its factorization.

1140044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38991.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1140044001 is about 33764.5376245551. The cubic root of 1140044001 is about 1044.6573668182.

Adding to 1140044001 its reverse (1004400411), we get a palindrome (2144444412).

The spelling of 1140044001 in words is "one billion, one hundred forty million, forty-four thousand, one".