2044440202019 has 4 divisors (see below), whose sum is σ = 2045018875296. Its totient is φ = 2043861528744.

The previous prime is 2044440201989. The next prime is 2044440202067. The reversal of 2044440202019 is 9102020444402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2044440202019 - 2²⁰ = 2044439153443 is a prime.

It is a super-2 number, since 2×2044440202019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044440502019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289331339 + ... + 289338404.

It is an arithmetic number, because the mean of its divisors is an integer number (511254718824).

Almost surely, 2^{2044440202019} is an apocalyptic number.

2044440202019 is a deficient number, since it is larger than the sum of its proper divisors (578673277).

2044440202019 is an equidigital number, since it uses as much as digits as its factorization.

2044440202019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578673276.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 2044440202019 in words is "two trillion, forty-four billion, four hundred forty million, two hundred two thousand, nineteen".