27244980 has 108 divisors (see below), whose sum is σ = 96166980. Its totient is φ = 6225408.

The previous prime is 27244963. The next prime is 27244991. The reversal of 27244980 is 8944272.

It can be written as a sum of positive squares in 2 ways, for example, as 18352656 + 8892324 = 4284^2 + 2982^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7276 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (890435).

Almost surely, 2^27244980 is an apocalyptic number.

27244980 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 27244980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48083490).

27244980 is an abundant number, since it is smaller than the sum of its proper divisors (68922000).

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

27244980 is a wasteful number, since it uses less digits than its factorization.

27244980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 27244980 is about 5219.6724035135. The cubic root of 27244980 is about 300.9046029037.

It can be divided in two parts, 27244 and 980, that added together give a square (28224 = 168²).

The spelling of 27244980 in words is "twenty-seven million, two hundred forty-four thousand, nine hundred eighty".