27229394080 has 144 divisors (see below), whose sum is σ = 75254145120. Its totient is φ = 9283158528.

The previous prime is 27229394069. The next prime is 27229394111. The reversal of 27229394080 is 8049392272.

It is a self number, because there is not a number n which added to its sum of digits gives 27229394080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393659 + ... + 1413061.

It is an arithmetic number, because the mean of its divisors is an integer number (522598230).

Almost surely, 2^27229394080 is an apocalyptic number.

27229394080 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 27229394080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37627072560).

27229394080 is an abundant number, since it is smaller than the sum of its proper divisors (48024751040).

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

27229394080 is a wasteful number, since it uses less digits than its factorization.

27229394080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19611 (or 19596 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 27229394080 in words is "twenty-seven billion, two hundred twenty-nine million, three hundred ninety-four thousand, eighty".