1323516480 has 448 divisors, whose sum is σ = 5112446976. Its totient is φ = 285696000.

The previous prime is 1323516473. The next prime is 1323516517. The reversal of 1323516480 is 846153231.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4255525 + ... + 4255835.

It is an arithmetic number, because the mean of its divisors is an integer number (11411712).

Almost surely, 2^1323516480 is an apocalyptic number.

1323516480 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 1323516480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556223488).

1323516480 is an abundant number, since it is smaller than the sum of its proper divisors (3788930496).

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

1323516480 is a wasteful number, since it uses less digits than its factorization.

1323516480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1323516480 is about 36380.1660249098. The cubic root of 1323516480 is about 1097.9345484059.

It can be divided in two parts, 132351 and 6480, that added together give a palindrome (138831).

The spelling of 1323516480 in words is "one billion, three hundred twenty-three million, five hundred sixteen thousand, four hundred eighty".