440128151 has 2 divisors, whose sum is σ = 440128152. Its totient is φ = 440128150.

The previous prime is 440128121. The next prime is 440128193. The reversal of 440128151 is 151821044.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440128151 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440128151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440128121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220064075 + 220064076.

It is an arithmetic number, because the mean of its divisors is an integer number (220064076).

Almost surely, 2^440128151 is an apocalyptic number.

440128151 is a deficient number, since it is larger than the sum of its proper divisors (1).

440128151 is an equidigital number, since it uses as much as digits as its factorization.

440128151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 440128151 is about 20979.2314206217. The cubic root of 440128151 is about 760.6643262211.

Adding to 440128151 its reverse (151821044), we get a palindrome (591949195).

The spelling of 440128151 in words is "four hundred forty million, one hundred twenty-eight thousand, one hundred fifty-one".