44440622001 has 16 divisors (see below), whose sum is σ = 66671353600. Its totient is φ = 29252053584.

The previous prime is 44440621997. The next prime is 44440622027. The reversal of 44440622001 is 10022604444.

It is a happy number.

44440622001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44440622001 - 2² = 44440621997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44440622201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10415266 + ... + 10419531.

It is an arithmetic number, because the mean of its divisors is an integer number (4166959600).

Almost surely, 2^44440622001 is an apocalyptic number.

It is an amenable number.

44440622001 is a deficient number, since it is larger than the sum of its proper divisors (22230731599).

44440622001 is a wasteful number, since it uses less digits than its factorization.

44440622001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20834885 (or 20834879 counting only the distinct ones).

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

The spelling of 44440622001 in words is "forty-four billion, four hundred forty million, six hundred twenty-two thousand, one".