2044244315533 has 16 divisors (see below), whose sum is σ = 2343000849664. Its totient is φ = 1747175132160.

The previous prime is 2044244315507. The next prime is 2044244315549. The reversal of 2044244315533 is 3355134424402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044244315533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044244315233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3253648 + ... + 3830758.

It is an arithmetic number, because the mean of its divisors is an integer number (146437553104).

Almost surely, 2^{2044244315533} is an apocalyptic number.

It is an amenable number.

2044244315533 is a deficient number, since it is larger than the sum of its proper divisors (298756534131).

2044244315533 is an equidigital number, since it uses as much as digits as its factorization.

2044244315533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578572.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 2044244315533 its reverse (3355134424402), we get a palindrome (5399378739935).

The spelling of 2044244315533 in words is "two trillion, forty-four billion, two hundred forty-four million, three hundred fifteen thousand, five hundred thirty-three".