27521608342 has 32 divisors (see below), whose sum is σ = 42243586560. Its totient is φ = 13443588000.

The previous prime is 27521608321. The next prime is 27521608379. The reversal of 27521608342 is 24380612572.

It is a junction number, because it is equal to n+sod(n) for n = 27521608295 and 27521608304.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19339843 + ... + 19341265.

It is an arithmetic number, because the mean of its divisors is an integer number (1320112080).

Almost surely, 2^27521608342 is an apocalyptic number.

27521608342 is a deficient number, since it is larger than the sum of its proper divisors (14721978218).

27521608342 is a wasteful number, since it uses less digits than its factorization.

27521608342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27521608342 in words is "twenty-seven billion, five hundred twenty-one million, six hundred eight thousand, three hundred forty-two".