5440321507 has 2 divisors, whose sum is σ = 5440321508. Its totient is φ = 5440321506.

The previous prime is 5440321493. The next prime is 5440321511. The reversal of 5440321507 is 7051230445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5440321507 - 2⁷ = 5440321379 is a prime.

It is not a weakly prime, because it can be changed into another prime (5440321517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720160753 + 2720160754.

It is an arithmetic number, because the mean of its divisors is an integer number (2720160754).

Almost surely, 2^5440321507 is an apocalyptic number.

5440321507 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440321507 is an equidigital number, since it uses as much as digits as its factorization.

5440321507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5440321507 is about 73758.5351467883. The cubic root of 5440321507 is about 1758.7665155218.

The spelling of 5440321507 in words is "five billion, four hundred forty million, three hundred twenty-one thousand, five hundred seven".