27066745240 has 32 divisors (see below), whose sum is σ = 60907114080. Its totient is φ = 10825464832.

The previous prime is 27066745229. The next prime is 27066745243. The reversal of 27066745240 is 4254766072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066745243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370632 + ... + 437608.

It is an arithmetic number, because the mean of its divisors is an integer number (1903347315).

Almost surely, 2^27066745240 is an apocalyptic number.

27066745240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27066745240 is an abundant number, since it is smaller than the sum of its proper divisors (33840368840).

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

27066745240 is a wasteful number, since it uses less digits than its factorization.

27066745240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77091 (or 77087 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 27066745240 in words is "twenty-seven billion, sixty-six million, seven hundred forty-five thousand, two hundred forty".