27740902480 has 80 divisors (see below), whose sum is σ = 64991376000. Its totient is φ = 11011714560.

The previous prime is 27740902471. The next prime is 27740902517. The reversal of 27740902480 is 8420904772.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6700251 + ... + 6704389.

It is an arithmetic number, because the mean of its divisors is an integer number (812392200).

Almost surely, 2^27740902480 is an apocalyptic number.

27740902480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27740902480 is an abundant number, since it is smaller than the sum of its proper divisors (37250473520).

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

27740902480 is a wasteful number, since it uses less digits than its factorization.

27740902480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 27740902480 in words is "twenty-seven billion, seven hundred forty million, nine hundred two thousand, four hundred eighty".