27740412102 has 64 divisors (see below), whose sum is σ = 62405070336. Its totient is φ = 8156712960.

The previous prime is 27740412061. The next prime is 27740412107. The reversal of 27740412102 is 20121404772.

27740412102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 27740412102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27740412107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2061777 + ... + 2075187.

It is an arithmetic number, because the mean of its divisors is an integer number (975079224).

Almost surely, 2^27740412102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27740412102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31202535168).

27740412102 is an abundant number, since it is smaller than the sum of its proper divisors (34664658234).

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

27740412102 is a wasteful number, since it uses less digits than its factorization.

27740412102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14605.

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 27740412102 its reverse (20121404772), we get a palindrome (47861816874).

The spelling of 27740412102 in words is "twenty-seven billion, seven hundred forty million, four hundred twelve thousand, one hundred two".