13424340444 has 24 divisors (see below), whose sum is σ = 32170042128. Its totient is φ = 4353840000.

The previous prime is 13424340443. The next prime is 13424340451. The reversal of 13424340444 is 44404342431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424340443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15117057 + ... + 15117944.

It is an arithmetic number, because the mean of its divisors is an integer number (1340418422).

Almost surely, 2^13424340444 is an apocalyptic number.

It is an amenable number.

13424340444 is an abundant number, since it is smaller than the sum of its proper divisors (18745701684).

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

13424340444 is a wasteful number, since it uses less digits than its factorization.

13424340444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30235045 (or 30235043 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 13424340444 its reverse (44404342431), we get a palindrome (57828682875).

The spelling of 13424340444 in words is "thirteen billion, four hundred twenty-four million, three hundred forty thousand, four hundred forty-four".