27618310412 has 108 divisors (see below), whose sum is σ = 61855587864. Its totient is φ = 10669639680.

The previous prime is 27618310411. The next prime is 27618310439. The reversal of 27618310412 is 21401381672.

It is not an unprimeable number, because it can be changed into a prime (27618310411) 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 35 ways as a sum of consecutive naturals, for example, 47865068 + ... + 47865644.

Almost surely, 2^27618310412 is an apocalyptic number.

27618310412 is a gapful number since it is divisible by the number (22) 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 27618310412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30927793932).

27618310412 is an abundant number, since it is smaller than the sum of its proper divisors (34237277452).

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

27618310412 is a wasteful number, since it uses less digits than its factorization.

27618310412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 27618310412 in words is "twenty-seven billion, six hundred eighteen million, three hundred ten thousand, four hundred twelve".