1326305552 has 80 divisors (see below), whose sum is σ = 3100759872. Its totient is φ = 541416960.

The previous prime is 1326305551. The next prime is 1326305599. The reversal of 1326305552 is 2555036231.

It is not an unprimeable number, because it can be changed into a prime (1326305551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76823 + ... + 92489.

Almost surely, 2^1326305552 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 1326305552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550379936).

1326305552 is an abundant number, since it is smaller than the sum of its proper divisors (1774454320).

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

1326305552 is a wasteful number, since it uses less digits than its factorization.

1326305552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736 (or 15730 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 1326305552 is about 36418.4781669965. The cubic root of 1326305552 is about 1098.7052402317.

The spelling of 1326305552 in words is "one billion, three hundred twenty-six million, three hundred five thousand, five hundred fifty-two".