441447838145 has 4 divisors (see below), whose sum is σ = 529737405780. Its totient is φ = 353158270512.

The previous prime is 441447838103. The next prime is 441447838151. The reversal of 441447838145 is 541838744144.

It is a happy number.

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 82277759281 + 359170078864 = 286841^2 + 599308^2 .

It is a cyclic number.

It is not a de Polignac number, because 441447838145 - 2¹⁰ = 441447837121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44144783810 + ... + 44144783819.

It is an arithmetic number, because the mean of its divisors is an integer number (132434351445).

Almost surely, 2^441447838145 is an apocalyptic number.

It is an amenable number.

441447838145 is a deficient number, since it is larger than the sum of its proper divisors (88289567635).

441447838145 is an equidigital number, since it uses as much as digits as its factorization.

441447838145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88289567634.

The product of its digits is 6881280, while the sum is 53.

The spelling of 441447838145 in words is "four hundred forty-one billion, four hundred forty-seven million, eight hundred thirty-eight thousand, one hundred forty-five".