4040532 has 18 divisors (see below), whose sum is σ = 10213658. Its totient is φ = 1346832.

The previous prime is 4040527. The next prime is 4040549. The reversal of 4040532 is 2350404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3048516 + 992016 = 1746^2 + 996^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 56083 + ... + 56154.

Almost surely, 2^4040532 is an apocalyptic number.

It is an amenable number.

4040532 is an abundant number, since it is smaller than the sum of its proper divisors (6173126).

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

4040532 is a wasteful number, since it uses less digits than its factorization.

4040532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112247 (or 112242 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4040532 is about 2010.1074598140. The cubic root of 4040532 is about 159.2744754779.

Adding to 4040532 its reverse (2350404), we get a palindrome (6390936).

The spelling of 4040532 in words is "four million, forty thousand, five hundred thirty-two".