27042155244 has 36 divisors (see below), whose sum is σ = 73614757216. Its totient is φ = 8320663008.

The previous prime is 27042155243. The next prime is 27042155267. The reversal of 27042155244 is 44255124072.

27042155244 is a `hidden beast` number, since 27 + 0 + 42 + 1 + 552 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27042155199 and 27042155208.

It is not an unprimeable number, because it can be changed into a prime (27042155243) 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 11 ways as a sum of consecutive naturals, for example, 28890724 + ... + 28891659.

Almost surely, 2^27042155244 is an apocalyptic number.

It is an amenable number.

27042155244 is an abundant number, since it is smaller than the sum of its proper divisors (46572601972).

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

27042155244 is a wasteful number, since it uses less digits than its factorization.

27042155244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57782406 (or 57782401 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 27042155244 in words is "twenty-seven billion, forty-two million, one hundred fifty-five thousand, two hundred forty-four".