5440312465 has 48 divisors (see below), whose sum is σ = 8145126720. Its totient is φ = 3467318400.

The previous prime is 5440312441. The next prime is 5440312487. The reversal of 5440312465 is 5642130445.

It is not a de Polignac number, because 5440312465 - 2²¹ = 5438215313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5440312465.

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 47 ways as a sum of consecutive naturals, for example, 235690 + ... + 257740.

It is an arithmetic number, because the mean of its divisors is an integer number (169690140).

Almost surely, 2^5440312465 is an apocalyptic number.

It is an amenable number.

5440312465 is a deficient number, since it is larger than the sum of its proper divisors (2704814255).

5440312465 is a wasteful number, since it uses less digits than its factorization.

5440312465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22142 (or 22135 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 5440312465 is about 73758.4738521616. The cubic root of 5440312465 is about 1758.7655411447.

The spelling of 5440312465 in words is "five billion, four hundred forty million, three hundred twelve thousand, four hundred sixty-five".