13044321420 has 48 divisors (see below), whose sum is σ = 39333648480. Its totient is φ = 3210909696.

The previous prime is 13044321413. The next prime is 13044321439. The reversal of 13044321420 is 2412344031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8360965 + ... + 8362524.

It is an arithmetic number, because the mean of its divisors is an integer number (819451010).

Almost surely, 2^13044321420 is an apocalyptic number.

13044321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044321420 is an abundant number, since it is smaller than the sum of its proper divisors (26289327060).

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

13044321420 is a wasteful number, since it uses less digits than its factorization.

13044321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723514 (or 16723512 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13044321420 its reverse (2412344031), we get a palindrome (15456665451).

The spelling of 13044321420 in words is "thirteen billion, forty-four million, three hundred twenty-one thousand, four hundred twenty".