10340404505 has 4 divisors (see below), whose sum is σ = 12408485412. Its totient is φ = 8272323600.

The previous prime is 10340404483. The next prime is 10340404559. The reversal of 10340404505 is 50540404301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4421718016 + 5918686489 = 66496^2 + 76933^2 .

It is not a de Polignac number, because 10340404505 - 2⁶ = 10340404441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034040446 + ... + 1034040455.

It is an arithmetic number, because the mean of its divisors is an integer number (3102121353).

Almost surely, 2^10340404505 is an apocalyptic number.

It is an amenable number.

10340404505 is a deficient number, since it is larger than the sum of its proper divisors (2068080907).

10340404505 is an equidigital number, since it uses as much as digits as its factorization.

10340404505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068080906.

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

Adding to 10340404505 its reverse (50540404301), we get a palindrome (60880808806).

The spelling of 10340404505 in words is "ten billion, three hundred forty million, four hundred four thousand, five hundred five".