27528701042 has 4 divisors (see below), whose sum is σ = 41293051566. Its totient is φ = 13764350520.

The previous prime is 27528701033. The next prime is 27528701063. The reversal of 27528701042 is 24010782572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24376889161 + 3151811881 = 156131^2 + 56141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27528700987 and 27528701005.

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 as a sum of consecutive naturals, namely, 6882175259 + ... + 6882175262.

Almost surely, 2^27528701042 is an apocalyptic number.

27528701042 is a deficient number, since it is larger than the sum of its proper divisors (13764350524).

27528701042 is a wasteful number, since it uses less digits than its factorization.

27528701042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764350523.

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 27528701042 in words is "twenty-seven billion, five hundred twenty-eight million, seven hundred one thousand, forty-two".