13436640346404 has 192 divisors, whose sum is σ = 36895525035264. Its totient is φ = 3760404480000.

The previous prime is 13436640346369. The next prime is 13436640346417. The reversal of 13436640346404 is 40464304663431.

It is a super-2 number, since 2×13436640346404² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57511584 + ... + 57744744.

It is an arithmetic number, because the mean of its divisors is an integer number (192164192892).

Almost surely, 2^{13436640346404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13436640346404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18447762517632).

13436640346404 is an abundant number, since it is smaller than the sum of its proper divisors (23458884688860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13436640346404 is a wasteful number, since it uses less digits than its factorization.

13436640346404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233678 (or 233676 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 48.

The spelling of 13436640346404 in words is "thirteen trillion, four hundred thirty-six billion, six hundred forty million, three hundred forty-six thousand, four hundred four".