440674853 has 2 divisors, whose sum is σ = 440674854. Its totient is φ = 440674852.

The previous prime is 440674837. The next prime is 440674859. The reversal of 440674853 is 358476044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416241604 + 24433249 = 20402^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 440674853 - 2⁴ = 440674837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440674853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440674859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220337426 + 220337427.

It is an arithmetic number, because the mean of its divisors is an integer number (220337427).

Almost surely, 2^440674853 is an apocalyptic number.

It is an amenable number.

440674853 is a deficient number, since it is larger than the sum of its proper divisors (1).

440674853 is an equidigital number, since it uses as much as digits as its factorization.

440674853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 440674853 is about 20992.2569772762. The cubic root of 440674853 is about 760.9791471369.

The spelling of 440674853 in words is "four hundred forty million, six hundred seventy-four thousand, eight hundred fifty-three".