2444440001 has 4 divisors (see below), whose sum is σ = 2444640192. Its totient is φ = 2444239812.

The previous prime is 2444439997. The next prime is 2444440021. The reversal of 2444440001 is 1000444442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000444442 = 2 ⋅500222221.

It is a cyclic number.

It is not a de Polignac number, because 2444440001 - 2² = 2444439997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444440021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80501 + ... + 106626.

It is an arithmetic number, because the mean of its divisors is an integer number (611160048).

Almost surely, 2^2444440001 is an apocalyptic number.

It is an amenable number.

2444440001 is a deficient number, since it is larger than the sum of its proper divisors (200191).

2444440001 is a wasteful number, since it uses less digits than its factorization.

2444440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200190.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2444440001 is about 49441.2783107395. The cubic root of 2444440001 is about 1347.0791906451.

Adding to 2444440001 its reverse (1000444442), we get a palindrome (3444884443).

The spelling of 2444440001 in words is "two billion, four hundred forty-four million, four hundred forty thousand, one".