1328450560 has 176 divisors, whose sum is σ = 3448785600. Its totient is φ = 489488384.

The previous prime is 1328450527. The next prime is 1328450561. The reversal of 1328450560 is 650548231.

It is not an unprimeable number, because it can be changed into a prime (1328450561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3414846 + ... + 3415234.

Almost surely, 2^1328450560 is an apocalyptic number.

1328450560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328450560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724392800).

1328450560 is an abundant number, since it is smaller than the sum of its proper divisors (2120335040).

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

1328450560 is a wasteful number, since it uses less digits than its factorization.

1328450560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1328450560 is about 36447.9157154425. The cubic root of 1328450560 is about 1099.2972260347.

Adding to 1328450560 its reverse (650548231), we get a palindrome (1978998791).

The spelling of 1328450560 in words is "one billion, three hundred twenty-eight million, four hundred fifty thousand, five hundred sixty".