27690752232 has 512 divisors, whose sum is σ = 94445568000. Its totient is φ = 7464441600.

The previous prime is 27690752231. The next prime is 27690752251. The reversal of 27690752232 is 23225709672.

27690752232 is a `hidden beast` number, since 2 + 7 + 6 + 90 + 7 + 522 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (27690752231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 115860769 + ... + 115861007.

It is an arithmetic number, because the mean of its divisors is an integer number (184464000).

Almost surely, 2^27690752232 is an apocalyptic number.

27690752232 is a gapful number since it is divisible by the number (22) 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 27690752232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47222784000).

27690752232 is an abundant number, since it is smaller than the sum of its proper divisors (66754815768).

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

27690752232 is a wasteful number, since it uses less digits than its factorization.

27690752232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 27690752232 in words is "twenty-seven billion, six hundred ninety million, seven hundred fifty-two thousand, two hundred thirty-two".