440344140135 has 8 divisors (see below), whose sum is σ = 704550624240. Its totient is φ = 234850208064.

The previous prime is 440344140121. The next prime is 440344140151. The reversal of 440344140135 is 531041443044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 440344140135 - 2¹⁸ = 440343877991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440344140096 and 440344140105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14678137990 + ... + 14678138019.

It is an arithmetic number, because the mean of its divisors is an integer number (88068828030).

Almost surely, 2^440344140135 is an apocalyptic number.

440344140135 is a deficient number, since it is larger than the sum of its proper divisors (264206484105).

440344140135 is a wasteful number, since it uses less digits than its factorization.

440344140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29356276017.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 440344140135 its reverse (531041443044), we get a palindrome (971385583179).

The spelling of 440344140135 in words is "four hundred forty billion, three hundred forty-four million, one hundred forty thousand, one hundred thirty-five".