27454665320 has 32 divisors (see below), whose sum is σ = 62319670920. Its totient is φ = 10884679680.

The previous prime is 27454665281. The next prime is 27454665367. The reversal of 27454665320 is 2356645472.

It can be written as a sum of positive squares in 4 ways, for example, as 14423529604 + 13031135716 = 120098^2 + 114154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032501 + ... + 3041540.

Almost surely, 2^27454665320 is an apocalyptic number.

27454665320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27454665320 is an abundant number, since it is smaller than the sum of its proper divisors (34865005600).

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

27454665320 is a wasteful number, since it uses less digits than its factorization.

27454665320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074165 (or 6074161 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 27454665320 in words is "twenty-seven billion, four hundred fifty-four million, six hundred sixty-five thousand, three hundred twenty".