15484744448 has 72 divisors (see below), whose sum is σ = 31702440000. Its totient is φ = 7544484864.

The previous prime is 15484744439. The next prime is 15484744453. The reversal of 15484744448 is 84444748451.

15484744448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15484744448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5491583 + ... + 5494401.

Almost surely, 2^15484744448 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 15484744448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15851220000).

15484744448 is an abundant number, since it is smaller than the sum of its proper divisors (16217695552).

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

15484744448 is an equidigital number, since it uses as much as digits as its factorization.

15484744448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3363 counting only the distinct ones).

The product of its digits is 9175040, while the sum is 53.

The spelling of 15484744448 in words is "fifteen billion, four hundred eighty-four million, seven hundred forty-four thousand, four hundred forty-eight".