440344140134 has 4 divisors (see below), whose sum is σ = 660516210204. Its totient is φ = 220172070066.

The previous prime is 440344140121. The next prime is 440344140151. The reversal of 440344140134 is 431041443044.

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

It is a self number, because there is not a number n which added to its sum of digits gives 440344140134.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 110086035032 + ... + 110086035035.

It is an arithmetic number, because the mean of its divisors is an integer number (165129052551).

Almost surely, 2^440344140134 is an apocalyptic number.

440344140134 is a deficient number, since it is larger than the sum of its proper divisors (220172070070).

440344140134 is a wasteful number, since it uses less digits than its factorization.

440344140134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220172070069.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 440344140134 its reverse (431041443044), we get a palindrome (871385583178).

The spelling of 440344140134 in words is "four hundred forty billion, three hundred forty-four million, one hundred forty thousand, one hundred thirty-four".