2040344343 has 16 divisors (see below), whose sum is σ = 3027656160. Its totient is φ = 1358013888.

The previous prime is 2040344333. The next prime is 2040344351. The reversal of 2040344343 is 3434430402.

It is not a de Polignac number, because 2040344343 - 2⁵ = 2040344311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040344333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44580 + ... + 77897.

It is an arithmetic number, because the mean of its divisors is an integer number (189228510).

Almost surely, 2^2040344343 is an apocalyptic number.

2040344343 is a deficient number, since it is larger than the sum of its proper divisors (987311817).

2040344343 is a wasteful number, since it uses less digits than its factorization.

2040344343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123103 (or 123097 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 2040344343 is about 45170.1709427804. The cubic root of 2040344343 is about 1268.3364962492.

Adding to 2040344343 its reverse (3434430402), we get a palindrome (5474774745).

It can be divided in two parts, 20403 and 44343, that added together give a palindrome (64746).

The spelling of 2040344343 in words is "two billion, forty million, three hundred forty-four thousand, three hundred forty-three".