43144442001 has 12 divisors (see below), whose sum is σ = 65985617412. Its totient is φ = 27071022336.

The previous prime is 43144441999. The next prime is 43144442009. The reversal of 43144442001 is 10024444134.

43144442001 is a `hidden beast` number, since 4 + 3 + 14 + 444 + 200 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37931457600 + 5212984401 = 194760^2 + 72201^2 .

It is not a de Polignac number, because 43144442001 - 2¹ = 43144441999 is a prime.

It is a super-2 number, since 2×43144442001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43144442009) 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 11 ways as a sum of consecutive naturals, for example, 140994756 + ... + 140995061.

It is an arithmetic number, because the mean of its divisors is an integer number (5498801451).

Almost surely, 2^43144442001 is an apocalyptic number.

It is an amenable number.

43144442001 is a deficient number, since it is larger than the sum of its proper divisors (22841175411).

43144442001 is a wasteful number, since it uses less digits than its factorization.

43144442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281989840 (or 281989837 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 43144442001 its reverse (10024444134), we get a palindrome (53168886135).

The spelling of 43144442001 in words is "forty-three billion, one hundred forty-four million, four hundred forty-two thousand, one".