27148643496 has 96 divisors (see below), whose sum is σ = 79301345760. Its totient is φ = 8341001856.

The previous prime is 27148643479. The next prime is 27148643503. The reversal of 27148643496 is 69434684172.

27148643496 is a `hidden beast` number, since 2 + 7 + 148 + 6 + 4 + 3 + 496 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618055 + ... + 660521.

It is an arithmetic number, because the mean of its divisors is an integer number (826055685).

Almost surely, 2^27148643496 is an apocalyptic number.

27148643496 is a gapful number since it is divisible by the number (26) 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 27148643496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39650672880).

27148643496 is an abundant number, since it is smaller than the sum of its proper divisors (52152702264).

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

27148643496 is a wasteful number, since it uses less digits than its factorization.

27148643496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43175 (or 43168 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 27148643496 in words is "twenty-seven billion, one hundred forty-eight million, six hundred forty-three thousand, four hundred ninety-six".