13424121040 has 80 divisors (see below), whose sum is σ = 34067194560. Its totient is φ = 4878812160.

The previous prime is 13424121001. The next prime is 13424121041. The reversal of 13424121040 is 4012142431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337052 + ... + 2342788.

It is an arithmetic number, because the mean of its divisors is an integer number (425839932).

Almost surely, 2^13424121040 is an apocalyptic number.

13424121040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424121040 is an abundant number, since it is smaller than the sum of its proper divisors (20643073520).

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

13424121040 is a wasteful number, since it uses less digits than its factorization.

13424121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420 (or 8414 counting only the distinct ones).

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

Adding to 13424121040 its reverse (4012142431), we get a palindrome (17436263471).

The spelling of 13424121040 in words is "thirteen billion, four hundred twenty-four million, one hundred twenty-one thousand, forty".