1000440323434 has 4 divisors (see below), whose sum is σ = 1500660485154. Its totient is φ = 500220161716.

The previous prime is 1000440323381. The next prime is 1000440323453. The reversal of 1000440323434 is 4343230440001.

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

It can be written as a sum of positive squares in only one way, i.e., 789618846025 + 210821477409 = 888605^2 + 459153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250110080857 + ... + 250110080860.

Almost surely, 2^{1000440323434} is an apocalyptic number.

1000440323434 is a deficient number, since it is larger than the sum of its proper divisors (500220161720).

1000440323434 is an equidigital number, since it uses as much as digits as its factorization.

1000440323434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500220161719.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1000440323434 its reverse (4343230440001), we get a palindrome (5343670763435).

The spelling of 1000440323434 in words is "one trillion, four hundred forty million, three hundred twenty-three thousand, four hundred thirty-four".