27488140 has 12 divisors (see below), whose sum is σ = 57725136. Its totient is φ = 10995248.

The previous prime is 27488119. The next prime is 27488141. The reversal of 27488140 is 4188472.

It is a junction number, because it is equal to n+sod(n) for n = 27488096 and 27488105.

It is not an unprimeable number, because it can be changed into a prime (27488141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687184 + ... + 687223.

It is an arithmetic number, because the mean of its divisors is an integer number (4810428).

Almost surely, 2^27488140 is an apocalyptic number.

27488140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27488140 is an abundant number, since it is smaller than the sum of its proper divisors (30236996).

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

27488140 is a wasteful number, since it uses less digits than its factorization.

27488140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374416 (or 1374414 counting only the distinct ones).

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

The square root of 27488140 is about 5242.9133122721. The cubic root of 27488140 is about 301.7971387366.

The spelling of 27488140 in words is "twenty-seven million, four hundred eighty-eight thousand, one hundred forty".