440620222145 has 4 divisors (see below), whose sum is σ = 528744266580. Its totient is φ = 352496177712.

The previous prime is 440620222123. The next prime is 440620222153. The reversal of 440620222145 is 541222026044.

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 315171082801 + 125449139344 = 561401^2 + 354188^2 .

It is a cyclic number.

It is not a de Polignac number, because 440620222145 - 2¹⁰ = 440620221121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44062022210 + ... + 44062022219.

It is an arithmetic number, because the mean of its divisors is an integer number (132186066645).

Almost surely, 2^440620222145 is an apocalyptic number.

It is an amenable number.

440620222145 is a deficient number, since it is larger than the sum of its proper divisors (88124044435).

440620222145 is an equidigital number, since it uses as much as digits as its factorization.

440620222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88124044434.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 440620222145 its reverse (541222026044), we get a palindrome (981842248189).

The spelling of 440620222145 in words is "four hundred forty billion, six hundred twenty million, two hundred twenty-two thousand, one hundred forty-five".