27753320320 has 128 divisors (see below), whose sum is σ = 72503786880. Its totient is φ = 10074777600.

The previous prime is 27753320297. The next prime is 27753320351. The reversal of 27753320320 is 2302335772.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4523655 + ... + 4529785.

It is an arithmetic number, because the mean of its divisors is an integer number (566435835).

Almost surely, 2^27753320320 is an apocalyptic number.

27753320320 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 27753320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36251893440).

27753320320 is an abundant number, since it is smaller than the sum of its proper divisors (44750466560).

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

27753320320 is a wasteful number, since it uses less digits than its factorization.

27753320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 34.

The spelling of 27753320320 in words is "twenty-seven billion, seven hundred fifty-three million, three hundred twenty thousand, three hundred twenty".