440023432202149 has 2 divisors, whose sum is σ = 440023432202150. Its totient is φ = 440023432202148.

The previous prime is 440023432202111. The next prime is 440023432202171. The reversal of 440023432202149 is 941202234320044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373506064953025 + 66517367249124 = 19326305^2 + 8155818^2 .

It is a cyclic number.

It is not a de Polignac number, because 440023432202149 - 2²⁵ = 440023398647717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440023432902149) 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, 220011716101074 + 220011716101075.

It is an arithmetic number, because the mean of its divisors is an integer number (220011716101075).

Almost surely, 2^{440023432202149} is an apocalyptic number.

It is an amenable number.

440023432202149 is a deficient number, since it is larger than the sum of its proper divisors (1).

440023432202149 is an equidigital number, since it uses as much as digits as its factorization.

440023432202149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 440023432202149 in words is "four hundred forty trillion, twenty-three billion, four hundred thirty-two million, two hundred two thousand, one hundred forty-nine".