4201540 has 24 divisors (see below), whose sum is σ = 10084032. Its totient is φ = 1440480.

The previous prime is 4201537. The next prime is 4201577. The reversal of 4201540 is 451024.

4201540 is a modest number, since divided by 1540 gives 420 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14866 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (420168).

Almost surely, 2^4201540 is an apocalyptic number.

It is an amenable number.

4201540 is an abundant number, since it is smaller than the sum of its proper divisors (5882492).

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

4201540 is a wasteful number, since it uses less digits than its factorization.

4201540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30027 (or 30025 counting only the distinct ones).

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

The square root of 4201540 is about 2049.7658402852. The cubic root of 4201540 is about 161.3625818762.

Adding to 4201540 its reverse (451024), we get a palindrome (4652564).

The spelling of 4201540 in words is "four million, two hundred one thousand, five hundred forty".