13400442510442 has 128 divisors (see below), whose sum is σ = 23680442016000. Its totient is φ = 5631270543360.

The previous prime is 13400442510421. The next prime is 13400442510473. The reversal of 13400442510442 is 24401524400431.

It is a super-2 number, since 2×13400442510442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13400442510398 and 13400442510407.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3332612392 + ... + 3332616412.

It is an arithmetic number, because the mean of its divisors is an integer number (185003453250).

Almost surely, 2^{13400442510442} is an apocalyptic number.

13400442510442 is a deficient number, since it is larger than the sum of its proper divisors (10279999505558).

13400442510442 is a wasteful number, since it uses less digits than its factorization.

13400442510442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 13400442510442 its reverse (24401524400431), we get a palindrome (37801966910873).

The spelling of 13400442510442 in words is "thirteen trillion, four hundred billion, four hundred forty-two million, five hundred ten thousand, four hundred forty-two".