27144325380 has 192 divisors, whose sum is σ = 82976140800. Its totient is φ = 6609039360.

The previous prime is 27144325361. The next prime is 27144325387. The reversal of 27144325380 is 8352344172.

It is not an unprimeable number, because it can be changed into a prime (27144325387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3557970 + ... + 3565590.

It is an arithmetic number, because the mean of its divisors is an integer number (432167400).

Almost surely, 2^27144325380 is an apocalyptic number.

27144325380 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 27144325380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41488070400).

27144325380 is an abundant number, since it is smaller than the sum of its proper divisors (55831815420).

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

27144325380 is a wasteful number, since it uses less digits than its factorization.

27144325380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774 (or 7772 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 27144325380 in words is "twenty-seven billion, one hundred forty-four million, three hundred twenty-five thousand, three hundred eighty".