1327381648 has 40 divisors (see below), whose sum is σ = 2728555520. Its totient is φ = 623790720.

The previous prime is 1327381633. The next prime is 1327381651. The reversal of 1327381648 is 8461837231.

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, 21418 + ... + 55798.

It is an arithmetic number, because the mean of its divisors is an integer number (68213888).

Almost surely, 2^1327381648 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 1327381648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364277760).

1327381648 is an abundant number, since it is smaller than the sum of its proper divisors (1401173872).

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

1327381648 is a wasteful number, since it uses less digits than its factorization.

1327381648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34535 (or 34529 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 1327381648 is about 36433.2492100279. The cubic root of 1327381648 is about 1099.0023041827.

The spelling of 1327381648 in words is "one billion, three hundred twenty-seven million, three hundred eighty-one thousand, six hundred forty-eight".