10404340505 has 12 divisors (see below), whose sum is σ = 13519487340. Its totient is φ = 7683204672.

The previous prime is 10404340451. The next prime is 10404340591. The reversal of 10404340505 is 50504340401.

It can be written as a sum of positive squares in 6 ways, for example, as 2013047689 + 8391292816 = 44867^2 + 91604^2 .

It is not a de Polignac number, because 10404340505 - 2¹⁰ = 10404339481 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6155570 + ... + 6157259.

It is an arithmetic number, because the mean of its divisors is an integer number (1126623945).

Almost surely, 2^10404340505 is an apocalyptic number.

It is an amenable number.

10404340505 is a deficient number, since it is larger than the sum of its proper divisors (3115146835).

10404340505 is a wasteful number, since it uses less digits than its factorization.

10404340505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312860 (or 12312847 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 10404340505 its reverse (50504340401), we get a palindrome (60908680906).

The spelling of 10404340505 in words is "ten billion, four hundred four million, three hundred forty thousand, five hundred five".