27066705480 has 192 divisors, whose sum is σ = 89831851200. Its totient is φ = 7065792000.

The previous prime is 27066705469. The next prime is 27066705529. The reversal of 27066705480 is 8450766072.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5328702 + ... + 5333778.

It is an arithmetic number, because the mean of its divisors is an integer number (467874225).

Almost surely, 2^27066705480 is an apocalyptic number.

27066705480 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 27066705480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44915925600).

27066705480 is an abundant number, since it is smaller than the sum of its proper divisors (62765145720).

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

27066705480 is a wasteful number, since it uses less digits than its factorization.

27066705480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 27066705480 in words is "twenty-seven billion, sixty-six million, seven hundred five thousand, four hundred eighty".