1200040444 has 24 divisors (see below), whose sum is σ = 2110958640. Its totient is φ = 596918784.

The previous prime is 1200040441. The next prime is 1200040459. The reversal of 1200040444 is 4440400021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200040441) 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, 873342 + ... + 874714.

It is an arithmetic number, because the mean of its divisors is an integer number (87956610).

Almost surely, 2^1200040444 is an apocalyptic number.

It is an amenable number.

1200040444 is a deficient number, since it is larger than the sum of its proper divisors (910918196).

1200040444 is a wasteful number, since it uses less digits than its factorization.

1200040444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1200040444 is about 34641.5999053162. The cubic root of 1200040444 is about 1062.6705074272.

Adding to 1200040444 its reverse (4440400021), we get a palindrome (5640440465).

The spelling of 1200040444 in words is "one billion, two hundred million, forty thousand, four hundred forty-four".