13400401120042 has 8 divisors (see below), whose sum is σ = 20974540883616. Its totient is φ = 6408887492172.

The previous prime is 13400401120037. The next prime is 13400401120109. The reversal of 13400401120042 is 24002110400431.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13400401119995 and 13400401120022.

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, 145656533868 + ... + 145656533959.

It is an arithmetic number, because the mean of its divisors is an integer number (2621817610452).

Almost surely, 2^{13400401120042} is an apocalyptic number.

13400401120042 is a deficient number, since it is larger than the sum of its proper divisors (7574139763574).

13400401120042 is a wasteful number, since it uses less digits than its factorization.

13400401120042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291313067852.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13400401120042 its reverse (24002110400431), we get a palindrome (37402511520473).

The spelling of 13400401120042 in words is "thirteen trillion, four hundred billion, four hundred one million, one hundred twenty thousand, forty-two".