27390554112 has 78 divisors (see below), whose sum is σ = 73081510852. Its totient is φ = 9124069376.

The previous prime is 27390554089. The next prime is 27390554123. The reversal of 27390554112 is 21145509372.

It is a super-3 number, since 3×27390554112³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18345238 + ... + 18346730.

Almost surely, 2^27390554112 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 27390554112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36540755426).

27390554112 is an abundant number, since it is smaller than the sum of its proper divisors (45690956740).

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

27390554112 is an frugal number, since it uses more digits than its factorization.

27390554112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 27390554112 in words is "twenty-seven billion, three hundred ninety million, five hundred fifty-four thousand, one hundred twelve".