27542504238 has 8 divisors (see below), whose sum is σ = 55085008488. Its totient is φ = 9180834744.

The previous prime is 27542504237. The next prime is 27542504273. The reversal of 27542504238 is 83240524572.

It is a sphenic number, since it is the product of 3 distinct primes.

27542504238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 27542504238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27542504233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2295208681 + ... + 2295208692.

It is an arithmetic number, because the mean of its divisors is an integer number (6885626061).

Almost surely, 2^27542504238 is an apocalyptic number.

27542504238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27542504238 is a wasteful number, since it uses less digits than its factorization.

27542504238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4590417378.

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 27542504238 in words is "twenty-seven billion, five hundred forty-two million, five hundred four thousand, two hundred thirty-eight".