13401040422 has 64 divisors (see below), whose sum is σ = 33488598528. Its totient is φ = 3473184000.

The previous prime is 13401040421. The next prime is 13401040427. The reversal of 13401040422 is 22404010431.

13401040422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401040421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181522 + ... + 244442.

It is an arithmetic number, because the mean of its divisors is an integer number (523259352).

Almost surely, 2^13401040422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13401040422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16744299264).

13401040422 is an abundant number, since it is smaller than the sum of its proper divisors (20087558106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13401040422 is a wasteful number, since it uses less digits than its factorization.

13401040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63405.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 13401040422 its reverse (22404010431), we get a palindrome (35805050853).

The spelling of 13401040422 in words is "thirteen billion, four hundred one million, forty thousand, four hundred twenty-two".