27229991048 has 256 divisors, whose sum is σ = 61225113600. Its totient is φ = 11257159680.

The previous prime is 27229991027. The next prime is 27229991057. The reversal of 27229991048 is 84019992272.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373013540 + ... + 373013612.

It is an arithmetic number, because the mean of its divisors is an integer number (239160600).

Almost surely, 2^27229991048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27229991048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30612556800).

27229991048 is an abundant number, since it is smaller than the sum of its proper divisors (33995122552).

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

27229991048 is a wasteful number, since it uses less digits than its factorization.

27229991048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 27229991048 in words is "twenty-seven billion, two hundred twenty-nine million, nine hundred ninety-one thousand, forty-eight".