40020200453 has 2 divisors, whose sum is σ = 40020200454. Its totient is φ = 40020200452.

The previous prime is 40020200383. The next prime is 40020200459. The reversal of 40020200453 is 35400202004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25949021569 + 14071178884 = 161087^2 + 118622^2 .

It is a cyclic number.

It is not a de Polignac number, because 40020200453 - 2²⁰ = 40019151877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40020200459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010100226 + 20010100227.

It is an arithmetic number, because the mean of its divisors is an integer number (20010100227).

Almost surely, 2^40020200453 is an apocalyptic number.

It is an amenable number.

40020200453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020200453 is an equidigital number, since it uses as much as digits as its factorization.

40020200453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 40020200453 its reverse (35400202004), we get a palindrome (75420402457).

The spelling of 40020200453 in words is "forty billion, twenty million, two hundred thousand, four hundred fifty-three".