4024540 has 48 divisors (see below), whose sum is σ = 9511488. Its totient is φ = 1419264.

The previous prime is 4024511. The next prime is 4024541. The reversal of 4024540 is 454204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5644 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (198156).

Almost surely, 2^4024540 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 4024540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4755744).

4024540 is an abundant number, since it is smaller than the sum of its proper divisors (5486948).

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

4024540 is a wasteful number, since it uses less digits than its factorization.

4024540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4024540 is about 2006.1256191974. The cubic root of 4024540 is about 159.0640671103.

Adding to 4024540 its reverse (454204), we get a palindrome (4478744).

The spelling of 4024540 in words is "four million, twenty-four thousand, five hundred forty".