27505522242 has 64 divisors (see below), whose sum is σ = 67079577600. Its totient is φ = 8285066640.

The previous prime is 27505522217. The next prime is 27505522267. The reversal of 27505522242 is 24222550572.

It is an interprime number because it is at equal distance from previous prime (27505522217) and next prime (27505522267).

It is a junction number, because it is equal to n+sod(n) for n = 27505522197 and 27505522206.

It is an unprimeable number.

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, 39442 + ... + 237837.

It is an arithmetic number, because the mean of its divisors is an integer number (1048118400).

Almost surely, 2^27505522242 is an apocalyptic number.

27505522242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27505522242 is an abundant number, since it is smaller than the sum of its proper divisors (39574055358).

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

27505522242 is a wasteful number, since it uses less digits than its factorization.

27505522242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277468 (or 277462 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The spelling of 27505522242 in words is "twenty-seven billion, five hundred five million, five hundred twenty-two thousand, two hundred forty-two".