27241265216 has 56 divisors (see below), whose sum is σ = 59851418016. Its totient is φ = 12197560320.

The previous prime is 27241265213. The next prime is 27241265243. The reversal of 27241265216 is 61256214272.

It is a self number, because there is not a number n which added to its sum of digits gives 27241265216.

It is not an unprimeable number, because it can be changed into a prime (27241265213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241601 + ... + 335936.

Almost surely, 2^27241265216 is an apocalyptic number.

It is an amenable number.

27241265216 is an abundant number, since it is smaller than the sum of its proper divisors (32610152800).

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

27241265216 is a wasteful number, since it uses less digits than its factorization.

27241265216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577627 (or 577617 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

Adding to 27241265216 its reverse (61256214272), we get a palindrome (88497479488).

The spelling of 27241265216 in words is "twenty-seven billion, two hundred forty-one million, two hundred sixty-five thousand, two hundred sixteen".