1327563984440 has 32 divisors (see below), whose sum is σ = 3010538810880. Its totient is φ = 526844287872.

The previous prime is 1327563984401. The next prime is 1327563984529. The reversal of 1327563984440 is 444893657231.

It is a happy number.

It is a super-2 number, since 2×1327563984440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130660667 + ... + 130670826.

It is an arithmetic number, because the mean of its divisors is an integer number (94079337840).

It is a 1-persistent number, because it is pandigital, but 2⋅1327563984440 = 2655127968880 is not.

Almost surely, 2^{1327563984440} is an apocalyptic number.

1327563984440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327563984440 is an abundant number, since it is smaller than the sum of its proper divisors (1682974826440).

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

1327563984440 is a wasteful number, since it uses less digits than its factorization.

1327563984440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261331631 (or 261331627 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 1327563984440 in words is "one trillion, three hundred twenty-seven billion, five hundred sixty-three million, nine hundred eighty-four thousand, four hundred forty".