27243955000 has 40 divisors (see below), whose sum is σ = 63832598280. Its totient is φ = 10897580000.

The previous prime is 27243954989. The next prime is 27243955001. The reversal of 27243955000 is 55934272.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27243955001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2719396 + ... + 2729395.

It is an arithmetic number, because the mean of its divisors is an integer number (1595814957).

Almost surely, 2^27243955000 is an apocalyptic number.

27243955000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27243955000 is an abundant number, since it is smaller than the sum of its proper divisors (36588643280).

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

27243955000 is an equidigital number, since it uses as much as digits as its factorization.

27243955000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448817 (or 5448798 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 27243955000 in words is "twenty-seven billion, two hundred forty-three million, nine hundred fifty-five thousand".