27419297880 has 256 divisors, whose sum is σ = 92613427200. Its totient is φ = 6448066560.

The previous prime is 27419297863. The next prime is 27419297887. The reversal of 27419297880 is 8879291472.

It is a self number, because there is not a number n which added to its sum of digits gives 27419297880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27419297887) by changing a digit.

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, 3816852 + ... + 3824028.

It is an arithmetic number, because the mean of its divisors is an integer number (361771200).

Almost surely, 2^27419297880 is an apocalyptic number.

27419297880 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 27419297880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46306713600).

27419297880 is an abundant number, since it is smaller than the sum of its proper divisors (65194129320).

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

27419297880 is a wasteful number, since it uses less digits than its factorization.

27419297880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314 (or 7310 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 27419297880 in words is "twenty-seven billion, four hundred nineteen million, two hundred ninety-seven thousand, eight hundred eighty".