13400400312424 has 64 divisors (see below), whose sum is σ = 25878267455040. Its totient is φ = 6501582097920.

The previous prime is 13400400312371. The next prime is 13400400312493. The reversal of 13400400312424 is 42421300400431.

It is a junction number, because it is equal to n+sod(n) for n = 13400400312392 and 13400400312401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376471972 + ... + 376507564.

It is an arithmetic number, because the mean of its divisors is an integer number (404347928985).

Almost surely, 2^{13400400312424} is an apocalyptic number.

It is an amenable number.

13400400312424 is a deficient number, since it is larger than the sum of its proper divisors (12477867142616).

13400400312424 is a wasteful number, since it uses less digits than its factorization.

13400400312424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42770 (or 42766 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13400400312424 its reverse (42421300400431), we get a palindrome (55821700712855).

The spelling of 13400400312424 in words is "thirteen trillion, four hundred billion, four hundred million, three hundred twelve thousand, four hundred twenty-four".