13280000444 has 6 divisors (see below), whose sum is σ = 23240000784. Its totient is φ = 6640000220.

The previous prime is 13280000423. The next prime is 13280000497. The reversal of 13280000444 is 44400008231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660000052 + ... + 1660000059.

It is an arithmetic number, because the mean of its divisors is an integer number (3873333464).

Almost surely, 2^13280000444 is an apocalyptic number.

It is an amenable number.

13280000444 is a deficient number, since it is larger than the sum of its proper divisors (9960000340).

13280000444 is a wasteful number, since it uses less digits than its factorization.

13280000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320000115 (or 3320000113 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 13280000444 its reverse (44400008231), we get a palindrome (57680008675).

The spelling of 13280000444 in words is "thirteen billion, two hundred eighty million, four hundred forty-four", and thus it is an aban number.