5440407407 has 4 divisors (see below), whose sum is σ = 5455819680. Its totient is φ = 5424995136.

The previous prime is 5440407361. The next prime is 5440407433. The reversal of 5440407407 is 7047040445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5440407407 - 2¹⁴ = 5440391023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440407457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7705607 + ... + 7706312.

It is an arithmetic number, because the mean of its divisors is an integer number (1363954920).

Almost surely, 2^5440407407 is an apocalyptic number.

5440407407 is a deficient number, since it is larger than the sum of its proper divisors (15412273).

5440407407 is a wasteful number, since it uses less digits than its factorization.

5440407407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412272.

The product of its (nonzero) digits is 62720, while the sum is 35.

The square root of 5440407407 is about 73759.1174499804. The cubic root of 5440407407 is about 1758.7757721591.

The spelling of 5440407407 in words is "five billion, four hundred forty million, four hundred seven thousand, four hundred seven".