13440401022 has 32 divisors (see below), whose sum is σ = 26967168000. Its totient is φ = 4465760768.

The previous prime is 13440400993. The next prime is 13440401047. The reversal of 13440401022 is 22010404431.

It is a self number, because there is not a number n which added to its sum of digits gives 13440401022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3874933 + ... + 3878399.

It is an arithmetic number, because the mean of its divisors is an integer number (842724000).

Almost surely, 2^13440401022 is an apocalyptic number.

13440401022 is an abundant number, since it is smaller than the sum of its proper divisors (13526766978).

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

13440401022 is a wasteful number, since it uses less digits than its factorization.

13440401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360.

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

Adding to 13440401022 its reverse (22010404431), we get a palindrome (35450805453).

The spelling of 13440401022 in words is "thirteen billion, four hundred forty million, four hundred one thousand, twenty-two".