1327445648 has 10 divisors (see below), whose sum is σ = 2571925974. Its totient is φ = 663722816.

The previous prime is 1327445641. The next prime is 1327445683. The reversal of 1327445648 is 8465447231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 971444224 + 356001424 = 31168^2 + 18868^2 .

It is a super-2 number, since 2×1327445648² = 3524223896788279808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1327445599 and 1327445608.

It is not an unprimeable number, because it can be changed into a prime (1327445641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41482661 + ... + 41482692.

Almost surely, 2^1327445648 is an apocalyptic number.

It is an amenable number.

1327445648 is a deficient number, since it is larger than the sum of its proper divisors (1244480326).

1327445648 is an equidigital number, since it uses as much as digits as its factorization.

1327445648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82965361 (or 82965355 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The square root of 1327445648 is about 36434.1275180290. The cubic root of 1327445648 is about 1099.0199667786.

The spelling of 1327445648 in words is "one billion, three hundred twenty-seven million, four hundred forty-five thousand, six hundred forty-eight".