27726000000 has 224 divisors, whose sum is σ = 92077727640. Its totient is φ = 7392000000.

The previous prime is 27725999969. The next prime is 27726000037. The reversal of 27726000000 is 62772.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5997690 + ... + 6002310.

Almost surely, 2^27726000000 is an apocalyptic number.

27726000000 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 27726000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46038863820).

27726000000 is an abundant number, since it is smaller than the sum of its proper divisors (64351727640).

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

27726000000 is an frugal number, since it uses more digits than its factorization.

27726000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4631 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

Adding to 27726000000 its reverse (62772), we get a palindrome (27726062772).

The spelling of 27726000000 in words is "twenty-seven billion, seven hundred twenty-six million", and thus it is an aban number.