13342043556 has 18 divisors (see below), whose sum is σ = 33725721302. Its totient is φ = 4447347840.

The previous prime is 13342043551. The next prime is 13342043567. The reversal of 13342043556 is 65534024331.

13342043556 is a `hidden beast` number, since 13 + 34 + 20 + 43 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7341062400 + 6000981156 = 85680^2 + 77466^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×13342043556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 370612321 = 13342043556 / (1 + 3 + 3 + 4 + 2 + 0 + 4 + 3 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 13342043556.

It is not an unprimeable number, because it can be changed into a prime (13342043551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185306125 + ... + 185306196.

Almost surely, 2^13342043556 is an apocalyptic number.

It is an amenable number.

13342043556 is an abundant number, since it is smaller than the sum of its proper divisors (20383677746).

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

13342043556 is a wasteful number, since it uses less digits than its factorization.

13342043556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370612331 (or 370612326 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13342043556 its reverse (65534024331), we get a palindrome (78876067887).

The spelling of 13342043556 in words is "thirteen billion, three hundred forty-two million, forty-three thousand, five hundred fifty-six".