27504752912 has 160 divisors (see below), whose sum is σ = 68566444800. Its totient is φ = 10614481920.

The previous prime is 27504752911. The next prime is 27504752917. The reversal of 27504752912 is 21925740572.

It is a super-2 number, since 2×27504752912² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27504752911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2920403 + ... + 2929805.

It is an arithmetic number, because the mean of its divisors is an integer number (428540280).

Almost surely, 2^27504752912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27504752912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34283222400).

27504752912 is an abundant number, since it is smaller than the sum of its proper divisors (41061691888).

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

27504752912 is a wasteful number, since it uses less digits than its factorization.

27504752912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486 (or 9466 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 27504752912 in words is "twenty-seven billion, five hundred four million, seven hundred fifty-two thousand, nine hundred twelve".