13240442205066 has 96 divisors (see below), whose sum is σ = 28573247324160. Its totient is φ = 4078877179104.

The previous prime is 13240442205049. The next prime is 13240442205101. The reversal of 13240442205066 is 66050224404231.

It is a happy number.

13240442205066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77224951 + ... + 77396213.

It is an arithmetic number, because the mean of its divisors is an integer number (297637992960).

Almost surely, 2^{13240442205066} is an apocalyptic number.

13240442205066 is an abundant number, since it is smaller than the sum of its proper divisors (15332805119094).

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

13240442205066 is a wasteful number, since it uses less digits than its factorization.

13240442205066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171688 (or 171641 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 13240442205066 its reverse (66050224404231), we get a palindrome (79290666609297).

The spelling of 13240442205066 in words is "thirteen trillion, two hundred forty billion, four hundred forty-two million, two hundred five thousand, sixty-six".