5040640 has 80 divisors (see below), whose sum is σ = 13258080. Its totient is φ = 1822720.

The previous prime is 5040601. The next prime is 5040647. The reversal of 5040640 is 460405.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5040647) 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, 28071 + ... + 28249.

It is an arithmetic number, because the mean of its divisors is an integer number (165726).

Almost surely, 2^5040640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5040640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6629040).

5040640 is an abundant number, since it is smaller than the sum of its proper divisors (8217440).

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

5040640 is a wasteful number, since it uses less digits than its factorization.

5040640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5040640 is about 2245.1369668686. The cubic root of 5040640 is about 171.4596345826.

The spelling of 5040640 in words is "five million, forty thousand, six hundred forty".