27400655546 has 64 divisors (see below), whose sum is σ = 47161460736. Its totient is φ = 11828980800.

The previous prime is 27400655531. The next prime is 27400655561. The reversal of 27400655546 is 64555600472.

It is an interprime number because it is at equal distance from previous prime (27400655531) and next prime (27400655561).

It is a junction number, because it is equal to n+sod(n) for n = 27400655497 and 27400655506.

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 31 ways as a sum of consecutive naturals, for example, 5950481 + ... + 5955083.

It is an arithmetic number, because the mean of its divisors is an integer number (736897824).

Almost surely, 2^27400655546 is an apocalyptic number.

27400655546 is a deficient number, since it is larger than the sum of its proper divisors (19760805190).

27400655546 is a wasteful number, since it uses less digits than its factorization.

27400655546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 27400655546 in words is "twenty-seven billion, four hundred million, six hundred fifty-five thousand, five hundred forty-six".