27251996260 has 12 divisors (see below), whose sum is σ = 57229192188. Its totient is φ = 10900798496.

The previous prime is 27251996249. The next prime is 27251996273. The reversal of 27251996260 is 6269915272.

It can be written as a sum of positive squares in 2 ways, for example, as 11293737984 + 15958258276 = 106272^2 + 126326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681299887 + ... + 681299926.

It is an arithmetic number, because the mean of its divisors is an integer number (4769099349).

Almost surely, 2^27251996260 is an apocalyptic number.

27251996260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27251996260 is an abundant number, since it is smaller than the sum of its proper divisors (29977195928).

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

27251996260 is a wasteful number, since it uses less digits than its factorization.

27251996260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362599822 (or 1362599820 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 27251996260 in words is "twenty-seven billion, two hundred fifty-one million, nine hundred ninety-six thousand, two hundred sixty".