5440450161 has 8 divisors (see below), whose sum is σ = 7254415584. Its totient is φ = 3626725760.

The previous prime is 5440450151. The next prime is 5440450181. The reversal of 5440450161 is 1610540445.

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

It is a cyclic number.

It is not a de Polignac number, because 5440450161 - 2⁷ = 5440450033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5440450111) 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, 1441 + ... + 104321.

It is an arithmetic number, because the mean of its divisors is an integer number (906801948).

Almost surely, 2^5440450161 is an apocalyptic number.

It is an amenable number.

5440450161 is a deficient number, since it is larger than the sum of its proper divisors (1813965423).

5440450161 is a wasteful number, since it uses less digits than its factorization.

5440450161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120511.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 5440450161 is about 73759.4072712085. The cubic root of 5440450161 is about 1758.7803793204.

The spelling of 5440450161 in words is "five billion, four hundred forty million, four hundred fifty thousand, one hundred sixty-one".