27053486720 has 128 divisors (see below), whose sum is σ = 71897172480. Its totient is φ = 9666662400.

The previous prime is 27053486711. The next prime is 27053486749. The reversal of 27053486720 is 2768435072.

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

It is a super-2 number, since 2×27053486720² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205475 + ... + 310365.

It is an arithmetic number, because the mean of its divisors is an integer number (561696660).

Almost surely, 2^27053486720 is an apocalyptic number.

27053486720 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 27053486720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35948586240).

27053486720 is an abundant number, since it is smaller than the sum of its proper divisors (44843685760).

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

27053486720 is a wasteful number, since it uses less digits than its factorization.

27053486720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104954 (or 104942 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 27053486720 in words is "twenty-seven billion, fifty-three million, four hundred eighty-six thousand, seven hundred twenty".