27063455272 has 128 divisors (see below), whose sum is σ = 59769504000. Its totient is φ = 11250690048.

The previous prime is 27063455219. The next prime is 27063455299. The reversal of 27063455272 is 27255436072.

It is a super-2 number, since 2×27063455272² (a number of 22 digits) contains 22 as substring.

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, 95630443 + ... + 95630725.

It is an arithmetic number, because the mean of its divisors is an integer number (466949250).

Almost surely, 2^27063455272 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 27063455272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29884752000).

27063455272 is an abundant number, since it is smaller than the sum of its proper divisors (32706048728).

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

27063455272 is a wasteful number, since it uses less digits than its factorization.

27063455272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 27063455272 in words is "twenty-seven billion, sixty-three million, four hundred fifty-five thousand, two hundred seventy-two".