27227552000 has 144 divisors (see below), whose sum is σ = 73994304384. Its totient is φ = 9900800000.

The previous prime is 27227551957. The next prime is 27227552017. The reversal of 27227552000 is 25572272.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 313325 + ... + 390675.

It is an arithmetic number, because the mean of its divisors is an integer number (513849336).

Almost surely, 2^27227552000 is an apocalyptic number.

27227552000 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 27227552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36997152192).

27227552000 is an abundant number, since it is smaller than the sum of its proper divisors (46766752384).

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

27227552000 is an equidigital number, since it uses as much as digits as its factorization.

27227552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77393 (or 77369 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The spelling of 27227552000 in words is "twenty-seven billion, two hundred twenty-seven million, five hundred fifty-two thousand".