1448003321856 has 1080 divisors, whose sum is σ = 5405974106624. Its totient is φ = 363307991040.

The previous prime is 1448003321827. The next prime is 1448003321879. The reversal of 1448003321856 is 6581233008441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24542429155 + ... + 24542429213.

Almost surely, 2^{1448003321856} is an apocalyptic number.

1448003321856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1448003321856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702987053312).

1448003321856 is an abundant number, since it is smaller than the sum of its proper divisors (3957970784768).

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

1448003321856 is an equidigital number, since it uses as much as digits as its factorization.

1448003321856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 1448003321856 in words is "one trillion, four hundred forty-eight billion, three million, three hundred twenty-one thousand, eight hundred fifty-six".