40313044465 has 8 divisors (see below), whose sum is σ = 48451126248. Its totient is φ = 32200120320.

The previous prime is 40313044451. The next prime is 40313044523. The reversal of 40313044465 is 56444031304.

It can be written as a sum of positive squares in 4 ways, for example, as 1686252096 + 38626792369 = 41064^2 + 196537^2 .

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

It is not a de Polignac number, because 40313044465 - 2²³ = 40304655857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40313044465.

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 in 7 ways as a sum of consecutive naturals, for example, 6285882 + ... + 6292291.

It is an arithmetic number, because the mean of its divisors is an integer number (6056390781).

Almost surely, 2^40313044465 is an apocalyptic number.

It is an amenable number.

40313044465 is a deficient number, since it is larger than the sum of its proper divisors (8138081783).

40313044465 is a wasteful number, since it uses less digits than its factorization.

40313044465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578819.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 40313044465 its reverse (56444031304), we get a palindrome (96757075769).

The spelling of 40313044465 in words is "forty billion, three hundred thirteen million, forty-four thousand, four hundred sixty-five".