5440406501 has 4 divisors (see below), whose sum is σ = 5473783392. Its totient is φ = 5407029612.

The previous prime is 5440406497. The next prime is 5440406509. The reversal of 5440406501 is 1056040445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5440406501 - 2² = 5440406497 is a prime.

It is a super-2 number, since 2×5440406501² = 59196045792246126002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440406509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16688201 + ... + 16688526.

It is an arithmetic number, because the mean of its divisors is an integer number (1368445848).

Almost surely, 2^5440406501 is an apocalyptic number.

It is an amenable number.

5440406501 is a deficient number, since it is larger than the sum of its proper divisors (33376891).

5440406501 is a wasteful number, since it uses less digits than its factorization.

5440406501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33376890.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 5440406501 is about 73759.1113083665. Note that the first 3 decimals coincide. The cubic root of 5440406501 is about 1758.7756745285.

Adding to 5440406501 its reverse (1056040445), we get a palindrome (6496446946).

The spelling of 5440406501 in words is "five billion, four hundred forty million, four hundred six thousand, five hundred one".