40838252 has 48 divisors (see below), whose sum is σ = 88660992. Its totient is φ = 16027200.

The previous prime is 40838251. The next prime is 40838279. The reversal of 40838252 is 25283804.

40838252 is digitally balanced in base 2, 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 (40838251) 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, 54593 + ... + 55335.

It is an arithmetic number, because the mean of its divisors is an integer number (1847104).

Almost surely, 2^40838252 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 40838252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44330496).

40838252 is an abundant number, since it is smaller than the sum of its proper divisors (47822740).

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

40838252 is a wasteful number, since it uses less digits than its factorization.

40838252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40838252 is about 6390.4813590214. The cubic root of 40838252 is about 344.3676774541.

The spelling of 40838252 in words is "forty million, eight hundred thirty-eight thousand, two hundred fifty-two".