5440122665 has 8 divisors (see below), whose sum is σ = 6531946368. Its totient is φ = 4349565360.

The previous prime is 5440122661. The next prime is 5440122707. The reversal of 5440122665 is 5662210445.

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

It is not a de Polignac number, because 5440122665 - 2² = 5440122661 is a prime.

It is a super-2 number, since 2×5440122665² = 59189869220493404450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440122661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307121 + ... + 324350.

It is an arithmetic number, because the mean of its divisors is an integer number (816493296).

Almost surely, 2^5440122665 is an apocalyptic number.

It is an amenable number.

5440122665 is a deficient number, since it is larger than the sum of its proper divisors (1091823703).

5440122665 is a wasteful number, since it uses less digits than its factorization.

5440122665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633199.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 5440122665 is about 73757.1872091120. The cubic root of 5440122665 is about 1758.7450878108.

The spelling of 5440122665 in words is "five billion, four hundred forty million, one hundred twenty-two thousand, six hundred sixty-five".