2040340443 has 16 divisors (see below), whose sum is σ = 2832206880. Its totient is φ = 1304948736.

The previous prime is 2040340439. The next prime is 2040340447. The reversal of 2040340443 is 3440430402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040340439) and next prime (2040340447).

It is not a de Polignac number, because 2040340443 - 2² = 2040340439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040340447) 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, 61030 + ... + 88347.

It is an arithmetic number, because the mean of its divisors is an integer number (177012930).

Almost surely, 2^2040340443 is an apocalyptic number.

2040340443 is a deficient number, since it is larger than the sum of its proper divisors (791866437).

2040340443 is a wasteful number, since it uses less digits than its factorization.

2040340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149566.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2040340443 is about 45170.1277726774. The cubic root of 2040340443 is about 1268.3356881314.

Adding to 2040340443 its reverse (3440430402), we get a palindrome (5480770845).

The spelling of 2040340443 in words is "two billion, forty million, three hundred forty thousand, four hundred forty-three".