1140201444 has 24 divisors (see below), whose sum is σ = 2700180448. Its totient is φ = 374394240.

The previous prime is 1140201443. The next prime is 1140201473. The reversal of 1140201444 is 4441020411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140201444.

It is not an unprimeable number, because it can be changed into a prime (1140201443) 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 7 ways as a sum of consecutive naturals, for example, 708277 + ... + 709884.

Almost surely, 2^1140201444 is an apocalyptic number.

It is an amenable number.

1140201444 is an abundant number, since it is smaller than the sum of its proper divisors (1559979004).

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

1140201444 is a wasteful number, since it uses less digits than its factorization.

1140201444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418235 (or 1418233 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1140201444 is about 33766.8690286796. The cubic root of 1140201444 is about 1044.7054545584.

Adding to 1140201444 its reverse (4441020411), we get a palindrome (5581221855).

The spelling of 1140201444 in words is "one billion, one hundred forty million, two hundred one thousand, four hundred forty-four".