440645140064515 has 8 divisors (see below), whose sum is σ = 528774842578608. Its totient is φ = 352515662384160.

The previous prime is 440645140064431. The next prime is 440645140064543. The reversal of 440645140064515 is 515460041546044.

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

It is not a de Polignac number, because 440645140064515 - 2¹¹ = 440645140062467 is a prime.

It is a Duffinian 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, 51866221 + ... + 59761150.

It is an arithmetic number, because the mean of its divisors is an integer number (66096855322326).

Almost surely, 2^{440645140064515} is an apocalyptic number.

440645140064515 is a deficient number, since it is larger than the sum of its proper divisors (88129702514093).

440645140064515 is a wasteful number, since it uses less digits than its factorization.

440645140064515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112416869.

The product of its (nonzero) digits is 4608000, while the sum is 49.

The spelling of 440645140064515 in words is "four hundred forty trillion, six hundred forty-five billion, one hundred forty million, sixty-four thousand, five hundred fifteen".