27349249536 has 480 divisors, whose sum is σ = 96661813248. Its totient is φ = 7554539520.

The previous prime is 27349249493. The next prime is 27349249649. The reversal of 27349249536 is 63594294372.

27349249536 is a `hidden beast` number, since 2 + 7 + 34 + 92 + 495 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26997766 + ... + 26998778.

Almost surely, 2^27349249536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27349249536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48330906624).

27349249536 is an abundant number, since it is smaller than the sum of its proper divisors (69312563712).

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

27349249536 is an equidigital number, since it uses as much as digits as its factorization.

27349249536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1056 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 27349249536 in words is "twenty-seven billion, three hundred forty-nine million, two hundred forty-nine thousand, five hundred thirty-six".