27655736144 has 10 divisors (see below), whose sum is σ = 53582988810. Its totient is φ = 13827868064.

The previous prime is 27655736113. The next prime is 27655736167. The reversal of 27655736144 is 44163755672.

It can be written as a sum of positive squares in only one way, i.e., 27649038400 + 6697744 = 166280^2 + 2588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27655736092 and 27655736101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864241739 + ... + 864241770.

It is an arithmetic number, because the mean of its divisors is an integer number (5358298881).

Almost surely, 2^27655736144 is an apocalyptic number.

It is an amenable number.

27655736144 is a deficient number, since it is larger than the sum of its proper divisors (25927252666).

27655736144 is a wasteful number, since it uses less digits than its factorization.

27655736144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728483517 (or 1728483511 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 50.

The spelling of 27655736144 in words is "twenty-seven billion, six hundred fifty-five million, seven hundred thirty-six thousand, one hundred forty-four".