5640460 has 24 divisors (see below), whose sum is σ = 13537440. Its totient is φ = 1933824.

The previous prime is 5640457. The next prime is 5640461. The reversal of 5640460 is 640465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5640461) 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, 20005 + ... + 20284.

It is an arithmetic number, because the mean of its divisors is an integer number (564060).

Almost surely, 2^5640460 is an apocalyptic number.

It is an amenable number.

5640460 is an abundant number, since it is smaller than the sum of its proper divisors (7896980).

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

5640460 is a wasteful number, since it uses less digits than its factorization.

5640460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40305 (or 40303 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5640460 is about 2374.9652629039. The cubic root of 5640460 is about 178.0074482428.

The spelling of 5640460 in words is "five million, six hundred forty thousand, four hundred sixty".