44020001 has 4 divisors (see below), whose sum is σ = 44033412. Its totient is φ = 44006592.

The previous prime is 44019947. The next prime is 44020069. The reversal of 44020001 is 10002044.

44020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10368400 + 33651601 = 3220^2 + 5801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44020901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1901 + ... + 9573.

It is an arithmetic number, because the mean of its divisors is an integer number (11008353).

Almost surely, 2^44020001 is an apocalyptic number.

It is an amenable number.

44020001 is a deficient number, since it is larger than the sum of its proper divisors (13411).

44020001 is an equidigital number, since it uses as much as digits as its factorization.

44020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 44020001 is about 6634.7570415201. The cubic root of 44020001 is about 353.0883182301.

Adding to 44020001 its reverse (10002044), we get a palindrome (54022045).

The spelling of 44020001 in words is "forty-four million, twenty thousand, one".