40252 has 12 divisors (see below), whose sum is σ = 73080. Its totient is φ = 19376.

The previous prime is 40241. The next prime is 40253. The reversal of 40252 is 25204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40253) by changing a digit.

40252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 289.

It is an arithmetic number, because the mean of its divisors is an integer number (6090).

2⁴⁰²⁵² is an apocalyptic number.

It is an amenable number.

40252 is a deficient number, since it is larger than the sum of its proper divisors (32828).

40252 is a wasteful number, since it uses less digits than its factorization.

40252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 40252 is about 200.6290108633. The cubic root of 40252 is about 34.2711876291.

Adding to 40252 its reverse (25204), we get a palindrome (65456).

It can be divided in two parts, 402 and 52, that added together give a palindrome (454).

The spelling of 40252 in words is "forty thousand, two hundred fifty-two".