27418480 has 80 divisors (see below), whose sum is σ = 67004640. Its totient is φ = 10423296.

The previous prime is 27418471. The next prime is 27418481. The reversal of 27418480 is 8481472.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27418481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174562 + ... + 174718.

It is an arithmetic number, because the mean of its divisors is an integer number (837558).

Almost surely, 2^27418480 is an apocalyptic number.

27418480 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 27418480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33502320).

27418480 is an abundant number, since it is smaller than the sum of its proper divisors (39586160).

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

27418480 is a wasteful number, since it uses less digits than its factorization.

27418480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 27418480 is about 5236.2658450464. The cubic root of 27418480 is about 301.5419866043.

The spelling of 27418480 in words is "twenty-seven million, four hundred eighteen thousand, four hundred eighty".