13440230242 has 16 divisors (see below), whose sum is σ = 21186741312. Its totient is φ = 6386430960.

The previous prime is 13440230191. The next prime is 13440230261. The reversal of 13440230242 is 24203204431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108734 + ... + 2115097.

It is an arithmetic number, because the mean of its divisors is an integer number (1324171332).

Almost surely, 2^13440230242 is an apocalyptic number.

13440230242 is a deficient number, since it is larger than the sum of its proper divisors (7746511070).

13440230242 is a wasteful number, since it uses less digits than its factorization.

13440230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223913.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13440230242 its reverse (24203204431), we get a palindrome (37643434673).

The spelling of 13440230242 in words is "thirteen billion, four hundred forty million, two hundred thirty thousand, two hundred forty-two".