2044340140313 has 32 divisors (see below), whose sum is σ = 2160139933440. Its totient is φ = 1931989812480.

The previous prime is 2044340140243. The next prime is 2044340140331. The reversal of 2044340140313 is 3130410434402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2044340140313 - 2⁸ = 2044340140057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2044340140343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366826595 + ... + 366832167.

It is an arithmetic number, because the mean of its divisors is an integer number (67504372920).

Almost surely, 2^{2044340140313} is an apocalyptic number.

It is an amenable number.

2044340140313 is a deficient number, since it is larger than the sum of its proper divisors (115799793127).

2044340140313 is a wasteful number, since it uses less digits than its factorization.

2044340140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2044340140313 its reverse (3130410434402), we get a palindrome (5174750574715).

The spelling of 2044340140313 in words is "two trillion, forty-four billion, three hundred forty million, one hundred forty thousand, three hundred thirteen".