1328662344 has 32 divisors (see below), whose sum is σ = 3466077120. Its totient is φ = 423631296.

The previous prime is 1328662333. The next prime is 1328662397. The reversal of 1328662344 is 4432668231.

It is a nude number because it is divisible by every one of its digits.

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, 1202947 + ... + 1204050.

It is an arithmetic number, because the mean of its divisors is an integer number (108314910).

Almost surely, 2^1328662344 is an apocalyptic number.

It is an amenable number.

1328662344 is an abundant number, since it is smaller than the sum of its proper divisors (2137414776).

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

1328662344 is a wasteful number, since it uses less digits than its factorization.

1328662344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407029 (or 2407025 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 1328662344 is about 36450.8208961060. The cubic root of 1328662344 is about 1099.3556402505.

The spelling of 1328662344 in words is "one billion, three hundred twenty-eight million, six hundred sixty-two thousand, three hundred forty-four".