27485439072 has 576 divisors, whose sum is σ = 94286674944. Its totient is φ = 6944071680.

The previous prime is 27485439071. The next prime is 27485439073. The reversal of 27485439072 is 27093458472.

It is an interprime number because it is at equal distance from previous prime (27485439071) and next prime (27485439073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27485439071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209812447 + ... + 209812577.

It is an arithmetic number, because the mean of its divisors is an integer number (163692144).

Almost surely, 2^27485439072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27485439072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47143337472).

27485439072 is an abundant number, since it is smaller than the sum of its proper divisors (66801235872).

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

27485439072 is a wasteful number, since it uses less digits than its factorization.

27485439072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 27485439072 in words is "twenty-seven billion, four hundred eighty-five million, four hundred thirty-nine thousand, seventy-two".