4030540 has 24 divisors (see below), whose sum is σ = 8531712. Its totient is φ = 1599360.

The previous prime is 4030529. The next prime is 4030541. The reversal of 4030540 is 450304.

4030540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4030541) 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, 2005 + ... + 3475.

It is an arithmetic number, because the mean of its divisors is an integer number (355488).

Almost surely, 2^4030540 is an apocalyptic number.

It is an amenable number.

4030540 is an abundant number, since it is smaller than the sum of its proper divisors (4501172).

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

4030540 is a wasteful number, since it uses less digits than its factorization.

4030540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4030540 is about 2007.6204820633. The cubic root of 4030540 is about 159.1430749400.

Adding to 4030540 its reverse (450304), we get a palindrome (4480844).

The spelling of 4030540 in words is "four million, thirty thousand, five hundred forty".