27660432000 has 512 divisors, whose sum is σ = 98068838400. Its totient is φ = 6881280000.

The previous prime is 27660431983. The next prime is 27660432013. The reversal of 27660432000 is 23406672.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 43151680 + ... + 43152320.

It is an arithmetic number, because the mean of its divisors is an integer number (191540700).

Almost surely, 2^27660432000 is an apocalyptic number.

27660432000 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 27660432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49034419200).

27660432000 is an abundant number, since it is smaller than the sum of its proper divisors (70408406400).

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

27660432000 is a wasteful number, since it uses less digits than its factorization.

27660432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 27660432000 its reverse (23406672), we get a palindrome (27683838672).

The spelling of 27660432000 in words is "twenty-seven billion, six hundred sixty million, four hundred thirty-two thousand".