1329441472 has 28 divisors (see below), whose sum is σ = 2639457256. Its totient is φ = 664381440.

The previous prime is 1329441437. The next prime is 1329441493. The reversal of 1329441472 is 2741449231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161947 + ... + 169957.

Almost surely, 2^1329441472 is an apocalyptic number.

It is an amenable number.

1329441472 is a deficient number, since it is larger than the sum of its proper divisors (1310015784).

1329441472 is an equidigital number, since it uses as much as digits as its factorization.

1329441472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10616 (or 10606 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 1329441472 is about 36461.5067159875. The cubic root of 1329441472 is about 1099.5704857540.

The spelling of 1329441472 in words is "one billion, three hundred twenty-nine million, four hundred forty-one thousand, four hundred seventy-two".