27298182270 has 128 divisors (see below), whose sum is σ = 72634890240. Its totient is φ = 6541032960.

The previous prime is 27298182239. The next prime is 27298182277. The reversal of 27298182270 is 7228189272.

It is a super-2 number, since 2×27298182270² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27298182277) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 721935 + ... + 758805.

It is an arithmetic number, because the mean of its divisors is an integer number (567460080).

Almost surely, 2^27298182270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27298182270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36317445120).

27298182270 is an abundant number, since it is smaller than the sum of its proper divisors (45336707970).

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

27298182270 is a wasteful number, since it uses less digits than its factorization.

27298182270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36970.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 27298182270 in words is "twenty-seven billion, two hundred ninety-eight million, one hundred eighty-two thousand, two hundred seventy".