13240042104 has 64 divisors (see below), whose sum is σ = 34328455200. Its totient is φ = 4250340864.

The previous prime is 13240042093. The next prime is 13240042121. The reversal of 13240042104 is 40124004231.

It is a congruent number.

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, 252354 + ... + 300270.

Almost surely, 2^13240042104 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 13240042104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17164227600).

13240042104 is an abundant number, since it is smaller than the sum of its proper divisors (21088413096).

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

13240042104 is a wasteful number, since it uses less digits than its factorization.

13240042104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48352 (or 48348 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13240042104 its reverse (40124004231), we get a palindrome (53364046335).

The spelling of 13240042104 in words is "thirteen billion, two hundred forty million, forty-two thousand, one hundred four".