5440110021 has 12 divisors (see below), whose sum is σ = 7867116972. Its totient is φ = 3622502976.

The previous prime is 5440110019. The next prime is 5440110047. The reversal of 5440110021 is 1200110445.

5440110021 is a `hidden beast` number, since 544 + 0 + 1 + 100 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3288449025 + 2151660996 = 57345^2 + 46386^2 .

It is not a de Polignac number, because 5440110021 - 2¹ = 5440110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5440109976 and 5440110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440110061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344946 + ... + 360371.

It is an arithmetic number, because the mean of its divisors is an integer number (655593081).

Almost surely, 2^5440110021 is an apocalyptic number.

It is an amenable number.

5440110021 is a deficient number, since it is larger than the sum of its proper divisors (2427006951).

5440110021 is a wasteful number, since it uses less digits than its factorization.

5440110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706180 (or 706177 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5440110021 is about 73757.1014953814. The cubic root of 5440110021 is about 1758.7437252441.

Adding to 5440110021 its reverse (1200110445), we get a palindrome (6640220466).

The spelling of 5440110021 in words is "five billion, four hundred forty million, one hundred ten thousand, twenty-one".