440225564343121 has 4 divisors (see below), whose sum is σ = 440234198130100. Its totient is φ = 440216930556144.

The previous prime is 440225564343113. The next prime is 440225564343137. The reversal of 440225564343121 is 121343465522044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346553073156096 + 93672491187025 = 18615936^2 + 9678455^2 .

It is a cyclic number.

It is not a de Polignac number, because 440225564343121 - 2³ = 440225564343113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440225564344121) 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 in 3 ways as a sum of consecutive naturals, for example, 4316817006 + ... + 4316918983.

It is an arithmetic number, because the mean of its divisors is an integer number (110058549532525).

Almost surely, 2^{440225564343121} is an apocalyptic number.

It is an amenable number.

440225564343121 is a deficient number, since it is larger than the sum of its proper divisors (8633786979).

440225564343121 is an equidigital number, since it uses as much as digits as its factorization.

440225564343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633786978.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 440225564343121 in words is "four hundred forty trillion, two hundred twenty-five billion, five hundred sixty-four million, three hundred forty-three thousand, one hundred twenty-one".