13405424340002 has 16 divisors (see below), whose sum is σ = 20651890966200. Its totient is φ = 6521465795328.

The previous prime is 13405424339981. The next prime is 13405424340067. The reversal of 13405424340002 is 20004342450431.

It can be written as a sum of positive squares in 4 ways, for example, as 13300324535521 + 105099804481 = 3646961^2 + 324191^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159124 + ... + 6641472.

Almost surely, 2^{13405424340002} is an apocalyptic number.

13405424340002 is a deficient number, since it is larger than the sum of its proper divisors (7246466626198).

13405424340002 is a wasteful number, since it uses less digits than its factorization.

13405424340002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555365.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 13405424340002 its reverse (20004342450431), we get a palindrome (33409766790433).

The spelling of 13405424340002 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, three hundred forty thousand, two".