1328297740324 has 81 divisors (see below), whose sum is σ = 2491492340883. Its totient is φ = 619593676800.

The previous prime is 1328297740207. The next prime is 1328297740331. The reversal of 1328297740324 is 4230477928231.

The square root of 1328297740324 is 1152518.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 296935626724 + 1031362113600 = 544918^2 + 1015560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2072227044 + ... + 2072227684.

Almost surely, 2^{1328297740324} is an apocalyptic number.

1328297740324 is the 1152518-th square number.

It is an amenable number.

1328297740324 is a deficient number, since it is larger than the sum of its proper divisors (1163194600559).

1328297740324 is an frugal number, since it uses more digits than its factorization.

1328297740324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 1328297740324 in words is "one trillion, three hundred twenty-eight billion, two hundred ninety-seven million, seven hundred forty thousand, three hundred twenty-four".