40553303443 has 2 divisors, whose sum is σ = 40553303444. Its totient is φ = 40553303442.

The previous prime is 40553303437. The next prime is 40553303459. The reversal of 40553303443 is 34430335504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40553303443 - 2³³ = 31963368851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40553303399 and 40553303408.

It is not a weakly prime, because it can be changed into another prime (40553003443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276651721 + 20276651722.

It is an arithmetic number, because the mean of its divisors is an integer number (20276651722).

Almost surely, 2^40553303443 is an apocalyptic number.

40553303443 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553303443 is an equidigital number, since it uses as much as digits as its factorization.

40553303443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 40553303443 its reverse (34430335504), we get a palindrome (74983638947).

The spelling of 40553303443 in words is "forty billion, five hundred fifty-three million, three hundred three thousand, four hundred forty-three".