1328194560 has 352 divisors, whose sum is σ = 5301107712. Its totient is φ = 275742720.

The previous prime is 1328194559. The next prime is 1328194591. The reversal of 1328194560 is 654918231.

It is a tau number, because it is divible by the number of its divisors (352).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182159 + ... + 1183281.

Almost surely, 2^1328194560 is an apocalyptic number.

1328194560 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 1328194560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2650553856).

1328194560 is an abundant number, since it is smaller than the sum of its proper divisors (3972913152).

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

1328194560 is a wasteful number, since it uses less digits than its factorization.

1328194560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1328194560 is about 36444.4036856141. The cubic root of 1328194560 is about 1099.2266078832.

The spelling of 1328194560 in words is "one billion, three hundred twenty-eight million, one hundred ninety-four thousand, five hundred sixty".