27470988907472 has 160 divisors (see below), whose sum is σ = 63860044481280. Its totient is φ = 11314460917760.

The previous prime is 27470988907447. The next prime is 27470988907547.

27470988907472 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 27470988907472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014128 + ... + 8429424.

It is an arithmetic number, because the mean of its divisors is an integer number (399125278008).

Almost surely, 2^{27470988907472} is an apocalyptic number.

27470988907472 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 27470988907472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31930022240640).

27470988907472 is an abundant number, since it is smaller than the sum of its proper divisors (36389055573808).

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

27470988907472 is a wasteful number, since it uses less digits than its factorization.

27470988907472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415421 (or 4415415 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 74.

The spelling of 27470988907472 in words is "twenty-seven trillion, four hundred seventy billion, nine hundred eighty-eight million, nine hundred seven thousand, four hundred seventy-two".