440045284117 has 2 divisors, whose sum is σ = 440045284118. Its totient is φ = 440045284116.

The previous prime is 440045284079. The next prime is 440045284171. The reversal of 440045284117 is 711482540044.

It is a happy number.

Together with next prime (440045284171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440038529316 + 6754801 = 663354^2 + 2599^2 .

It is a cyclic number.

It is not a de Polignac number, because 440045284117 - 2²⁷ = 439911066389 is a prime.

It is a super-2 number, since 2×440045284117² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440045284117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440045284517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220022642058 + 220022642059.

It is an arithmetic number, because the mean of its divisors is an integer number (220022642059).

Almost surely, 2^440045284117 is an apocalyptic number.

It is an amenable number.

440045284117 is a deficient number, since it is larger than the sum of its proper divisors (1).

440045284117 is an equidigital number, since it uses as much as digits as its factorization.

440045284117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 440045284117 in words is "four hundred forty billion, forty-five million, two hundred eighty-four thousand, one hundred seventeen".