440544402345 has 16 divisors (see below), whose sum is σ = 712790945280. Its totient is φ = 232317047424.

The previous prime is 440544402317. The next prime is 440544402359. The reversal of 440544402345 is 543204445044.

It is not a de Polignac number, because 440544402345 - 2¹³ = 440544394153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164996569 + ... + 164999238.

It is an arithmetic number, because the mean of its divisors is an integer number (44549434080).

Almost surely, 2^440544402345 is an apocalyptic number.

It is an amenable number.

440544402345 is a deficient number, since it is larger than the sum of its proper divisors (272246542935).

440544402345 is a wasteful number, since it uses less digits than its factorization.

440544402345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329995904.

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 440544402345 its reverse (543204445044), we get a palindrome (983748847389).

The spelling of 440544402345 in words is "four hundred forty billion, five hundred forty-four million, four hundred two thousand, three hundred forty-five".