2044400002001 has 8 divisors (see below), whose sum is σ = 2386168999680. Its totient is φ = 1715058967968.

The previous prime is 2044400001983. The next prime is 2044400002013. The reversal of 2044400002001 is 1002000044402.

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

It is a cyclic number.

It is not a de Polignac number, because 2044400002001 - 2²² = 2044395807697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044400002031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106990556 + ... + 3106991213.

It is an arithmetic number, because the mean of its divisors is an integer number (298271124960).

Almost surely, 2^{2044400002001} is an apocalyptic number.

It is an amenable number.

2044400002001 is a deficient number, since it is larger than the sum of its proper divisors (341768997679).

2044400002001 is an equidigital number, since it uses as much as digits as its factorization.

2044400002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213981823.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2044400002001 its reverse (1002000044402), we get a palindrome (3046400046403).

The spelling of 2044400002001 in words is "two trillion, forty-four billion, four hundred million, two thousand, one".