1326828456 has 24 divisors (see below), whose sum is σ = 3593493930. Its totient is φ = 442276128.

The previous prime is 1326828443. The next prime is 1326828467. The reversal of 1326828456 is 6548286231.

1326828456 is a `hidden beast` number, since 132 + 68 + 2 + 8 + 456 = 666.

1326828456 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1194808356 + 132020100 = 34566^2 + 11490^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9214015 + ... + 9214158.

Almost surely, 2^1326828456 is an apocalyptic number.

It is an amenable number.

1326828456 is an abundant number, since it is smaller than the sum of its proper divisors (2266665474).

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

1326828456 is a wasteful number, since it uses less digits than its factorization.

1326828456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18428185 (or 18428178 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1326828456 is about 36425.6565623737. The cubic root of 1326828456 is about 1098.8496116596.

The spelling of 1326828456 in words is "one billion, three hundred twenty-six million, eight hundred twenty-eight thousand, four hundred fifty-six".