27104386540 has 192 divisors, whose sum is σ = 75170672640. Its totient is φ = 7952981760.

The previous prime is 27104386531. The next prime is 27104386571. The reversal of 27104386540 is 4568340172.

It is a junction number, because it is equal to n+sod(n) for n = 27104386493 and 27104386502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4766539 + ... + 4772221.

It is an arithmetic number, because the mean of its divisors is an integer number (391513920).

Almost surely, 2^27104386540 is an apocalyptic number.

27104386540 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 27104386540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37585336320).

27104386540 is an abundant number, since it is smaller than the sum of its proper divisors (48066286100).

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

27104386540 is a wasteful number, since it uses less digits than its factorization.

27104386540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27104386540 in words is "twenty-seven billion, one hundred four million, three hundred eighty-six thousand, five hundred forty".