440021103101803 has 2 divisors, whose sum is σ = 440021103101804. Its totient is φ = 440021103101802.

The previous prime is 440021103101777. The next prime is 440021103101813. The reversal of 440021103101803 is 308101301120044.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440021103101803 is a prime.

It is not a weakly prime, because it can be changed into another prime (440021103101813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220010551550901 + 220010551550902.

It is an arithmetic number, because the mean of its divisors is an integer number (220010551550902).

Almost surely, 2^{440021103101803} is an apocalyptic number.

440021103101803 is a deficient number, since it is larger than the sum of its proper divisors (1).

440021103101803 is an equidigital number, since it uses as much as digits as its factorization.

440021103101803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 440021103101803 its reverse (308101301120044), we get a palindrome (748122404221847).

The spelling of 440021103101803 in words is "four hundred forty trillion, twenty-one billion, one hundred three million, one hundred one thousand, eight hundred three".