13404001424 has 80 divisors (see below), whose sum is σ = 30729658176. Its totient is φ = 5594419200.

The previous prime is 13404001417. The next prime is 13404001427. The reversal of 13404001424 is 42410040431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13404001424.

It is not an unprimeable number, because it can be changed into a prime (13404001427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68039 + ... + 177305.

Almost surely, 2^13404001424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13404001424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15364829088).

13404001424 is an abundant number, since it is smaller than the sum of its proper divisors (17325656752).

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

13404001424 is a wasteful number, since it uses less digits than its factorization.

13404001424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109344 (or 109338 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 13404001424 its reverse (42410040431), we get a palindrome (55814041855).

The spelling of 13404001424 in words is "thirteen billion, four hundred four million, one thousand, four hundred twenty-four".