27480681245720 has 32 divisors (see below), whose sum is σ = 61914751621920. Its totient is φ = 10977478041600.

The previous prime is 27480681245711. The next prime is 27480681245753. The reversal of 27480681245720 is 2754218608472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462296681 + ... + 462356120.

It is an arithmetic number, because the mean of its divisors is an integer number (1934835988185).

Almost surely, 2^{27480681245720} is an apocalyptic number.

27480681245720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27480681245720 is an abundant number, since it is smaller than the sum of its proper divisors (34434070376200).

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

27480681245720 is a wasteful number, since it uses less digits than its factorization.

27480681245720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924653555 (or 924653551 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 27480681245720 in words is "twenty-seven trillion, four hundred eighty billion, six hundred eighty-one million, two hundred forty-five thousand, seven hundred twenty".