27544774825428 has 96 divisors (see below), whose sum is σ = 81866823091200. Its totient is φ = 7017156251136.

The previous prime is 27544774825423. The next prime is 27544774825453. The reversal of 27544774825428 is 82452847744572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27544774825423) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 507579658 + ... + 507633921.

It is an arithmetic number, because the mean of its divisors is an integer number (852779407200).

Almost surely, 2^{27544774825428} is an apocalyptic number.

27544774825428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27544774825428 is an abundant number, since it is smaller than the sum of its proper divisors (54322048265772).

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

27544774825428 is a wasteful number, since it uses less digits than its factorization.

27544774825428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015213629 (or 1015213627 counting only the distinct ones).

The product of its digits is 1123942400, while the sum is 69.

The spelling of 27544774825428 in words is "twenty-seven trillion, five hundred forty-four billion, seven hundred seventy-four million, eight hundred twenty-five thousand, four hundred twenty-eight".