13404404042 has 8 divisors (see below), whose sum is σ = 20534406336. Its totient is φ = 6559601932.

The previous prime is 13404404021. The next prime is 13404404053. The reversal of 13404404042 is 24040440431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71299928 + ... + 71300115.

It is an arithmetic number, because the mean of its divisors is an integer number (2566800792).

Almost surely, 2^13404404042 is an apocalyptic number.

13404404042 is a deficient number, since it is larger than the sum of its proper divisors (7130002294).

13404404042 is a wasteful number, since it uses less digits than its factorization.

13404404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142600092.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 13404404042 its reverse (24040440431), we get a palindrome (37444844473).

The spelling of 13404404042 in words is "thirteen billion, four hundred four million, four hundred four thousand, forty-two".