1325982768 has 160 divisors (see below), whose sum is σ = 3839754240. Its totient is φ = 390923520.

The previous prime is 1325982751. The next prime is 1325982797. The reversal of 1325982768 is 8672895231.

Its product of digits (1451520) is a multiple of the sum of its prime factors (567).

It is a self number, because there is not a number n which added to its sum of digits gives 1325982768.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3461905 + ... + 3462287.

It is an arithmetic number, because the mean of its divisors is an integer number (23998464).

Almost surely, 2^1325982768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325982768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1919877120).

1325982768 is an abundant number, since it is smaller than the sum of its proper divisors (2513771472).

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

1325982768 is a wasteful number, since it uses less digits than its factorization.

1325982768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 561 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 1325982768 is about 36414.0463008439. The cubic root of 1325982768 is about 1098.6161020876.

The spelling of 1325982768 in words is "one billion, three hundred twenty-five million, nine hundred eighty-two thousand, seven hundred sixty-eight".