440021103101189 has 2 divisors, whose sum is σ = 440021103101190. Its totient is φ = 440021103101188.

The previous prime is 440021103101171. The next prime is 440021103101249. The reversal of 440021103101189 is 981101301120044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420793097350564 + 19228005750625 = 20513242^2 + 4384975^2 .

It is a cyclic number.

It is not a de Polignac number, because 440021103101189 - 2¹⁶ = 440021103035653 is a prime.

It is a super-4 number, since 4×440021103101189⁴ (a number of 60 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440021103101119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220010551550594 + 220010551550595.

It is an arithmetic number, because the mean of its divisors is an integer number (220010551550595).

Almost surely, 2^{440021103101189} is an apocalyptic number.

It is an amenable number.

440021103101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

440021103101189 is an equidigital number, since it uses as much as digits as its factorization.

440021103101189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 440021103101189 in words is "four hundred forty trillion, twenty-one billion, one hundred three million, one hundred one thousand, one hundred eighty-nine".