43444442001 has 8 divisors (see below), whose sum is σ = 60974655520. Its totient is φ = 27438594912.

The previous prime is 43444441991. The next prime is 43444442047. The reversal of 43444442001 is 10024444434.

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

It is not a de Polignac number, because 43444442001 - 2⁹ = 43444441489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43444442001.

It is not an unprimeable number, because it can be changed into a prime (43444442201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381091540 + ... + 381091653.

It is an arithmetic number, because the mean of its divisors is an integer number (7621831940).

Almost surely, 2^43444442001 is an apocalyptic number.

It is an amenable number.

43444442001 is a deficient number, since it is larger than the sum of its proper divisors (17530213519).

43444442001 is a wasteful number, since it uses less digits than its factorization.

43444442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762183215.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 43444442001 its reverse (10024444434), we get a palindrome (53468886435).

The spelling of 43444442001 in words is "forty-three billion, four hundred forty-four million, four hundred forty-two thousand, one".