27139499072 has 224 divisors, whose sum is σ = 68275200000. Its totient is φ = 10658511360.

The previous prime is 27139499069. The next prime is 27139499099. The reversal of 27139499072 is 27099493172.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-3 number, since 3×27139499072³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 12928679 + ... + 12930777.

It is an arithmetic number, because the mean of its divisors is an integer number (304800000).

Almost surely, 2^27139499072 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 27139499072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34137600000).

27139499072 is an abundant number, since it is smaller than the sum of its proper divisors (41135700928).

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

27139499072 is a wasteful number, since it uses less digits than its factorization.

27139499072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 27139499072 in words is "twenty-seven billion, one hundred thirty-nine million, four hundred ninety-nine thousand, seventy-two".