27285741280 has 48 divisors (see below), whose sum is σ = 73671504480. Its totient is φ = 9355110912.

The previous prime is 27285741253. The next prime is 27285741313. The reversal of 27285741280 is 8214758272.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 27285741280.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12180015 + ... + 12182254.

It is an arithmetic number, because the mean of its divisors is an integer number (1534823010).

Almost surely, 2^27285741280 is an apocalyptic number.

27285741280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27285741280 is an abundant number, since it is smaller than the sum of its proper divisors (46385763200).

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

27285741280 is a wasteful number, since it uses less digits than its factorization.

27285741280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24362291 (or 24362283 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 27285741280 in words is "twenty-seven billion, two hundred eighty-five million, seven hundred forty-one thousand, two hundred eighty".