27135527740 has 48 divisors (see below), whose sum is σ = 58458988224. Its totient is φ = 10574144000.

The previous prime is 27135527707. The next prime is 27135527753. The reversal of 27135527740 is 4772553172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551217 + ... + 598423.

It is an arithmetic number, because the mean of its divisors is an integer number (1217895588).

Almost surely, 2^27135527740 is an apocalyptic number.

27135527740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27135527740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29229494112).

27135527740 is an abundant number, since it is smaller than the sum of its proper divisors (31323460484).

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

27135527740 is a wasteful number, since it uses less digits than its factorization.

27135527740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47958 (or 47956 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 27135527740 in words is "twenty-seven billion, one hundred thirty-five million, five hundred twenty-seven thousand, seven hundred forty".