27135342450 has 72 divisors (see below), whose sum is σ = 73230812928. Its totient is φ = 7203615840.

The previous prime is 27135342341. The next prime is 27135342463. The reversal of 27135342450 is 5424353172.

27135342450 is a `hidden beast` number, since 2 + 71 + 3 + 534 + 2 + 4 + 50 = 666.

27135342450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34854 + ... + 235553.

It is an arithmetic number, because the mean of its divisors is an integer number (1017094624).

Almost surely, 2^27135342450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27135342450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36615406464).

27135342450 is an abundant number, since it is smaller than the sum of its proper divisors (46095470478).

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

27135342450 is a wasteful number, since it uses less digits than its factorization.

27135342450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270648 (or 270640 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 27135342450 in words is "twenty-seven billion, one hundred thirty-five million, three hundred forty-two thousand, four hundred fifty".