27086442706640 has 20 divisors (see below), whose sum is σ = 62975979293124. Its totient is φ = 10834577082624.

The previous prime is 27086442706639. The next prime is 27086442706711. The reversal of 27086442706640 is 4660724468072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14031257372224 + 13055185334416 = 3745832^2 + 3613196^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 169290266837 + ... + 169290266996.

Almost surely, 2^{27086442706640} is an apocalyptic number.

27086442706640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27086442706640 is an abundant number, since it is smaller than the sum of its proper divisors (35889536586484).

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

27086442706640 is a wasteful number, since it uses less digits than its factorization.

27086442706640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338580533846 (or 338580533840 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 56.

The spelling of 27086442706640 in words is "twenty-seven trillion, eighty-six billion, four hundred forty-two million, seven hundred six thousand, six hundred forty".