2040343343 has 4 divisors (see below), whose sum is σ = 2110700040. Its totient is φ = 1969986648.

The previous prime is 2040343309. The next prime is 2040343391. The reversal of 2040343343 is 3433430402.

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 2040343343 - 2²⁸ = 1771907887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040340343) 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 3 ways as a sum of consecutive naturals, for example, 35178305 + ... + 35178362.

It is an arithmetic number, because the mean of its divisors is an integer number (527675010).

Almost surely, 2^2040343343 is an apocalyptic number.

2040343343 is a deficient number, since it is larger than the sum of its proper divisors (70356697).

2040343343 is an equidigital number, since it uses as much as digits as its factorization.

2040343343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70356696.

The product of its (nonzero) digits is 10368, while the sum is 26.

The square root of 2040343343 is about 45170.1598735271. The cubic root of 2040343343 is about 1268.3362890396.

Adding to 2040343343 its reverse (3433430402), we get a palindrome (5473773745).

The spelling of 2040343343 in words is "two billion, forty million, three hundred forty-three thousand, three hundred forty-three".