13040341442 has 4 divisors (see below), whose sum is σ = 19560512166. Its totient is φ = 6520170720.

The previous prime is 13040341439. The next prime is 13040341507. The reversal of 13040341442 is 24414304031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24414304031 = 13 ⋅1878023387.

It can be written as a sum of positive squares in only one way, i.e., 12975715921 + 64625521 = 113911^2 + 8039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260085359 + ... + 3260085362.

Almost surely, 2^13040341442 is an apocalyptic number.

13040341442 is a deficient number, since it is larger than the sum of its proper divisors (6520170724).

13040341442 is an equidigital number, since it uses as much as digits as its factorization.

13040341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520170723.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13040341442 its reverse (24414304031), we get a palindrome (37454645473).

The spelling of 13040341442 in words is "thirteen billion, forty million, three hundred forty-one thousand, four hundred forty-two".