27725422050 has 72 divisors (see below), whose sum is σ = 74800926720. Its totient is φ = 7362482400.

The previous prime is 27725422031. The next prime is 27725422057. The reversal of 27725422050 is 5022452772.

27725422050 is a `hidden beast` number, since 27 + 72 + 542 + 20 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 27725421996 and 27725422014.

It is not an unprimeable number, because it can be changed into a prime (27725422057) 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 35 ways as a sum of consecutive naturals, for example, 21346 + ... + 236445.

It is an arithmetic number, because the mean of its divisors is an integer number (1038901760).

Almost surely, 2^27725422050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27725422050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37400463360).

27725422050 is an abundant number, since it is smaller than the sum of its proper divisors (47075504670).

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

27725422050 is a wasteful number, since it uses less digits than its factorization.

27725422050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258048 (or 258040 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The spelling of 27725422050 in words is "twenty-seven billion, seven hundred twenty-five million, four hundred twenty-two thousand, fifty".