1328382960 has 40 divisors (see below), whose sum is σ = 4117987920. Its totient is φ = 354235392.

The previous prime is 1328382943. The next prime is 1328382973. The reversal of 1328382960 is 692838231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767225 + ... + 2767704.

It is an arithmetic number, because the mean of its divisors is an integer number (102949698).

Almost surely, 2^1328382960 is an apocalyptic number.

1328382960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1328382960 is an abundant number, since it is smaller than the sum of its proper divisors (2789604960).

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

1328382960 is a wasteful number, since it uses less digits than its factorization.

1328382960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534945 (or 5534939 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1328382960 is about 36446.9883529490. The cubic root of 1328382960 is about 1099.2785793107.

The spelling of 1328382960 in words is "one billion, three hundred twenty-eight million, three hundred eighty-two thousand, nine hundred sixty".