1328254448 has 20 divisors (see below), whose sum is σ = 2574697560. Its totient is φ = 663816384.

The previous prime is 1328254441. The next prime is 1328254493. The reversal of 1328254448 is 8444528231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328254441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18011 + ... + 54597.

It is an arithmetic number, because the mean of its divisors is an integer number (128734878).

Almost surely, 2^1328254448 is an apocalyptic number.

It is an amenable number.

1328254448 is a deficient number, since it is larger than the sum of its proper divisors (1246443112).

1328254448 is a wasteful number, since it uses less digits than its factorization.

1328254448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38864 (or 38858 counting only the distinct ones).

The product of its digits is 245760, while the sum is 41.

The square root of 1328254448 is about 36445.2253114177. The cubic root of 1328254448 is about 1099.2431289300.

The spelling of 1328254448 in words is "one billion, three hundred twenty-eight million, two hundred fifty-four thousand, four hundred forty-eight".