2044453441 has 4 divisors (see below), whose sum is σ = 2110403584. Its totient is φ = 1978503300.

The previous prime is 2044453421. The next prime is 2044453451. The reversal of 2044453441 is 1443544402.

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: 1443544402 = 2 ⋅721772201.

It is a cyclic number.

It is not a de Polignac number, because 2044453441 - 2²⁹ = 1507582529 is a prime.

It is a super-3 number, since 3×2044453441³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 65950111 = 2044453441 / (2 + 0 + 4 + 4 + 4 + 5 + 3 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044453421) 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, 32975025 + ... + 32975086.

It is an arithmetic number, because the mean of its divisors is an integer number (527600896).

Almost surely, 2^2044453441 is an apocalyptic number.

It is an amenable number.

2044453441 is a deficient number, since it is larger than the sum of its proper divisors (65950143).

2044453441 is an equidigital number, since it uses as much as digits as its factorization.

2044453441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65950142.

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 2044453441 is about 45215.6327059569. The cubic root of 2044453441 is about 1269.1873696518.

Adding to 2044453441 its reverse (1443544402), we get a palindrome (3487997843).

The spelling of 2044453441 in words is "two billion, forty-four million, four hundred fifty-three thousand, four hundred forty-one".