3040020443 has 2 divisors, whose sum is σ = 3040020444. Its totient is φ = 3040020442.

The previous prime is 3040020421. The next prime is 3040020457. The reversal of 3040020443 is 3440200403.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3440200403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3040020443 - 2²² = 3035826139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3040020043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520010221 + 1520010222.

It is an arithmetic number, because the mean of its divisors is an integer number (1520010222).

Almost surely, 2^3040020443 is an apocalyptic number.

3040020443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040020443 is an equidigital number, since it uses as much as digits as its factorization.

3040020443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3040020443 is about 55136.3803944365. The cubic root of 3040020443 is about 1448.6345358707.

Adding to 3040020443 its reverse (3440200403), we get a palindrome (6480220846).

The spelling of 3040020443 in words is "three billion, forty million, twenty thousand, four hundred forty-three".