27480040 has 32 divisors (see below), whose sum is σ = 70663680. Its totient is φ = 9421632.

The previous prime is 27479999. The next prime is 27480049. The reversal of 27480040 is 4008472.

It is a junction number, because it is equal to n+sod(n) for n = 27479987 and 27480014.

It is not an unprimeable number, because it can be changed into a prime (27480049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48792 + ... + 49351.

It is an arithmetic number, because the mean of its divisors is an integer number (2208240).

Almost surely, 2^27480040 is an apocalyptic number.

27480040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27480040 is an abundant number, since it is smaller than the sum of its proper divisors (43183640).

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

27480040 is a wasteful number, since it uses less digits than its factorization.

27480040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98161 (or 98157 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 27480040 is about 5242.1407840690. The cubic root of 27480040 is about 301.7674920481.

The spelling of 27480040 in words is "twenty-seven million, four hundred eighty thousand, forty".