5140240 has 80 divisors (see below), whose sum is σ = 13963392. Its totient is φ = 1723392.

The previous prime is 5140237. The next prime is 5140253. The reversal of 5140240 is 420415.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37452 + ... + 37588.

Almost surely, 2^5140240 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 5140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6981696).

5140240 is an abundant number, since it is smaller than the sum of its proper divisors (8823152).

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

5140240 is a wasteful number, since it uses less digits than its factorization.

5140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5140240 is about 2267.2097388641. The cubic root of 5140240 is about 172.5815899125.

Adding to 5140240 its reverse (420415), we get a palindrome (5560655).

The spelling of 5140240 in words is "five million, one hundred forty thousand, two hundred forty".