27318480 has 240 divisors, whose sum is σ = 103814784. Its totient is φ = 5913600.

The previous prime is 27318397. The next prime is 27318497. The reversal of 27318480 is 8481372.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270430 + ... + 270530.

Almost surely, 2^27318480 is an apocalyptic number.

27318480 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 27318480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51907392).

27318480 is an abundant number, since it is smaller than the sum of its proper divisors (76496304).

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

27318480 is a wasteful number, since it uses less digits than its factorization.

27318480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 27318480 is about 5226.7083331673. The cubic root of 27318480 is about 301.1749478731.

It can be divided in two parts, 2731 and 8480, that added together give a palindrome (11211).

The spelling of 27318480 in words is "twenty-seven million, three hundred eighteen thousand, four hundred eighty".