1328790048 has 24 divisors (see below), whose sum is σ = 3488074128. Its totient is φ = 442929984.

The previous prime is 1328790011. The next prime is 1328790053. The reversal of 1328790048 is 8400978231.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1328789991 and 1328790009.

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, 6920686 + ... + 6920877.

It is an arithmetic number, because the mean of its divisors is an integer number (145336422).

Almost surely, 2^1328790048 is an apocalyptic number.

It is an amenable number.

1328790048 is an abundant number, since it is smaller than the sum of its proper divisors (2159284080).

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

1328790048 is a wasteful number, since it uses less digits than its factorization.

1328790048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13841576 (or 13841568 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1328790048 is about 36452.5725841126. The cubic root of 1328790048 is about 1099.3908605394.

The spelling of 1328790048 in words is "one billion, three hundred twenty-eight million, seven hundred ninety thousand, forty-eight".