5440313665 has 8 divisors (see below), whose sum is σ = 6530400360. Its totient is φ = 4350901632.

The previous prime is 5440313653. The next prime is 5440313687. The reversal of 5440313665 is 5663130445.

It can be written as a sum of positive squares in 4 ways, for example, as 2137397824 + 3302915841 = 46232^2 + 57471^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440313665 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150750 + ... + 183319.

It is an arithmetic number, because the mean of its divisors is an integer number (816300045).

Almost surely, 2^5440313665 is an apocalyptic number.

It is an amenable number.

5440313665 is a deficient number, since it is larger than the sum of its proper divisors (1090086695).

5440313665 is a wasteful number, since it uses less digits than its factorization.

5440313665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337331.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 5440313665 is about 73758.4819868197. The cubic root of 5440313665 is about 1758.7656704582.

The spelling of 5440313665 in words is "five billion, four hundred forty million, three hundred thirteen thousand, six hundred sixty-five".