27312048500 has 192 divisors, whose sum is σ = 66763726848. Its totient is φ = 9676800000.

The previous prime is 27312048493. The next prime is 27312048509. The reversal of 27312048500 is 584021372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27312048509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42608180 + ... + 42608820.

It is an arithmetic number, because the mean of its divisors is an integer number (347727744).

Almost surely, 2^27312048500 is an apocalyptic number.

27312048500 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 27312048500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33381863424).

27312048500 is an abundant number, since it is smaller than the sum of its proper divisors (39451678348).

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

27312048500 is a wasteful number, since it uses less digits than its factorization.

27312048500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 27312048500 its reverse (584021372), we get a palindrome (27896069872).

The spelling of 27312048500 in words is "twenty-seven billion, three hundred twelve million, forty-eight thousand, five hundred".