27452066400 has 720 divisors, whose sum is σ = 115018263360. Its totient is φ = 6301670400.

The previous prime is 27452066347. The next prime is 27452066423. The reversal of 27452066400 is 466025472.

27452066400 is a `hidden beast` number, since 2 + 7 + 4 + 5 + 2 + 0 + 6 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 13542187 + ... + 13544213.

It is an arithmetic number, because the mean of its divisors is an integer number (159747588).

Almost surely, 2^27452066400 is an apocalyptic number.

27452066400 is a gapful number since it is divisible by the number (20) 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 27452066400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57509131680).

27452066400 is an abundant number, since it is smaller than the sum of its proper divisors (87566196960).

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

27452066400 is a wasteful number, since it uses less digits than its factorization.

27452066400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 27452066400 in words is "twenty-seven billion, four hundred fifty-two million, sixty-six thousand, four hundred".