27518940 has 60 divisors (see below), whose sum is σ = 86333016. Its totient is φ = 7337952.

The previous prime is 27518927. The next prime is 27518947. The reversal of 27518940 is 4981572.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 27518895 and 27518904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27518947) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6874 + ... + 10113.

Almost surely, 2^27518940 is an apocalyptic number.

27518940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27518940 is an abundant number, since it is smaller than the sum of its proper divisors (58814076).

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

27518940 is a wasteful number, since it uses less digits than its factorization.

27518940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008 (or 16997 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 27518940 is about 5245.8497881659. The cubic root of 27518940 is about 301.9098162074.

The spelling of 27518940 in words is "twenty-seven million, five hundred eighteen thousand, nine hundred forty".