40443021103 has 2 divisors, whose sum is σ = 40443021104. Its totient is φ = 40443021102.

The previous prime is 40443021089. The next prime is 40443021133. The reversal of 40443021103 is 30112034404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40443021103 - 2²⁹ = 39906150191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40443021133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221510551 + 20221510552.

It is an arithmetic number, because the mean of its divisors is an integer number (20221510552).

Almost surely, 2^40443021103 is an apocalyptic number.

40443021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40443021103 is an equidigital number, since it uses as much as digits as its factorization.

40443021103 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 22.

Adding to 40443021103 its reverse (30112034404), we get a palindrome (70555055507).

The spelling of 40443021103 in words is "forty billion, four hundred forty-three million, twenty-one thousand, one hundred three".