27128613330 has 144 divisors (see below), whose sum is σ = 88361955864. Its totient is φ = 5723827200.

The previous prime is 27128613319. The next prime is 27128613403. The reversal of 27128613330 is 3331682172.

27128613330 is a `hidden beast` number, since 2 + 7 + 1 + 2 + 8 + 613 + 3 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20313945729 + 6814667601 = 142527^2 + 82551^2 .

It is a super-2 number, since 2×27128613330² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 179271 + ... + 293930.

Almost surely, 2^27128613330 is an apocalyptic number.

27128613330 is an abundant number, since it is smaller than the sum of its proper divisors (61233342534).

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

27128613330 is a wasteful number, since it uses less digits than its factorization.

27128613330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473241 (or 473231 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 27128613330 in words is "twenty-seven billion, one hundred twenty-eight million, six hundred thirteen thousand, three hundred thirty".