27272186480 has 320 divisors, whose sum is σ = 82020750336. Its totient is φ = 8186880000.

The previous prime is 27272186423. The next prime is 27272186509. The reversal of 27272186480 is 8468127272.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20961830 + ... + 20963130.

Almost surely, 2^27272186480 is an apocalyptic number.

27272186480 is a gapful number since it is divisible by the number (20) 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 27272186480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41010375168).

27272186480 is an abundant number, since it is smaller than the sum of its proper divisors (54748563856).

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

27272186480 is a wasteful number, since it uses less digits than its factorization.

27272186480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 27272186480 in words is "twenty-seven billion, two hundred seventy-two million, one hundred eighty-six thousand, four hundred eighty".