440230334189 has 2 divisors, whose sum is σ = 440230334190. Its totient is φ = 440230334188.

The previous prime is 440230334183. The next prime is 440230334239. The reversal of 440230334189 is 981433032044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386622804100 + 53607530089 = 621790^2 + 231533^2 .

It is a cyclic number.

It is not a de Polignac number, because 440230334189 - 2¹² = 440230330093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440230334183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220115167094 + 220115167095.

It is an arithmetic number, because the mean of its divisors is an integer number (220115167095).

Almost surely, 2^440230334189 is an apocalyptic number.

It is an amenable number.

440230334189 is a deficient number, since it is larger than the sum of its proper divisors (1).

440230334189 is an equidigital number, since it uses as much as digits as its factorization.

440230334189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 440230334189 in words is "four hundred forty billion, two hundred thirty million, three hundred thirty-four thousand, one hundred eighty-nine".