27605352140 has 12 divisors (see below), whose sum is σ = 57971239536. Its totient is φ = 11042140848.

The previous prime is 27605352139. The next prime is 27605352211. The reversal of 27605352140 is 4125350672.

It is a self number, because there is not a number n which added to its sum of digits gives 27605352140.

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 3 ways as a sum of consecutive naturals, for example, 690133784 + ... + 690133823.

It is an arithmetic number, because the mean of its divisors is an integer number (4830936628).

Almost surely, 2^27605352140 is an apocalyptic number.

27605352140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27605352140 is an abundant number, since it is smaller than the sum of its proper divisors (30365887396).

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

27605352140 is a wasteful number, since it uses less digits than its factorization.

27605352140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380267616 (or 1380267614 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 27605352140 in words is "twenty-seven billion, six hundred five million, three hundred fifty-two thousand, one hundred forty".