1326310272 has 192 divisors, whose sum is σ = 4552104960. Its totient is φ = 362419200.

The previous prime is 1326310253. The next prime is 1326310277. The reversal of 1326310272 is 2720136231.

1326310272 is a `hidden beast` number, since 1 + 3 + 2 + 631 + 0 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1326310272² = 3518197875225427968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326310277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181897 + ... + 189047.

It is an arithmetic number, because the mean of its divisors is an integer number (23708880).

Almost surely, 2^1326310272 is an apocalyptic number.

1326310272 is a gapful number since it is divisible by the number (12) 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 1326310272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276052480).

1326310272 is an abundant number, since it is smaller than the sum of its proper divisors (3225794688).

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

1326310272 is a wasteful number, since it uses less digits than its factorization.

1326310272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201 (or 7186 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1326310272 is about 36418.5429692073. The cubic root of 1326310272 is about 1098.7065435720.

The spelling of 1326310272 in words is "one billion, three hundred twenty-six million, three hundred ten thousand, two hundred seventy-two".