4240132436021 has 2 divisors, whose sum is σ = 4240132436022. Its totient is φ = 4240132436020.

The previous prime is 4240132436009. The next prime is 4240132436063. The reversal of 4240132436021 is 1206342310424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4001544148996 + 238588287025 = 2000386^2 + 488455^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240132436021 - 2²² = 4240128241717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240132436621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120066218010 + 2120066218011.

It is an arithmetic number, because the mean of its divisors is an integer number (2120066218011).

Almost surely, 2^{4240132436021} is an apocalyptic number.

It is an amenable number.

4240132436021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240132436021 is an equidigital number, since it uses as much as digits as its factorization.

4240132436021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 4240132436021 its reverse (1206342310424), we get a palindrome (5446474746445).

The spelling of 4240132436021 in words is "four trillion, two hundred forty billion, one hundred thirty-two million, four hundred thirty-six thousand, twenty-one".