1447303328880 has 160 divisors (see below), whose sum is σ = 4562720491008. Its totient is φ = 379410048000.

The previous prime is 1447303328869. The next prime is 1447303328897. The reversal of 1447303328880 is 888233037441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27306405 + ... + 27359355.

Almost surely, 2^{1447303328880} is an apocalyptic number.

1447303328880 is a gapful number since it is divisible by the number (10) 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 1447303328880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281360245504).

1447303328880 is an abundant number, since it is smaller than the sum of its proper divisors (3115417162128).

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

1447303328880 is a wasteful number, since it uses less digits than its factorization.

1447303328880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54895 (or 54889 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 1447303328880 in words is "one trillion, four hundred forty-seven billion, three hundred three million, three hundred twenty-eight thousand, eight hundred eighty".