27112387240 has 16 divisors (see below), whose sum is σ = 61002871380. Its totient is φ = 10844954880.

The previous prime is 27112387223. The next prime is 27112387273. The reversal of 27112387240 is 4278321172.

It can be written as a sum of positive squares in 2 ways, for example, as 26287433956 + 824953284 = 162134^2 + 28722^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27112387240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338904801 + ... + 338904880.

Almost surely, 2^27112387240 is an apocalyptic number.

27112387240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27112387240 is an abundant number, since it is smaller than the sum of its proper divisors (33890484140).

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

27112387240 is a wasteful number, since it uses less digits than its factorization.

27112387240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677809692 (or 677809688 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 27112387240 in words is "twenty-seven billion, one hundred twelve million, three hundred eighty-seven thousand, two hundred forty".