40840752 has 20 divisors (see below), whose sum is σ = 105505400. Its totient is φ = 13613568.

The previous prime is 40840741. The next prime is 40840753. The reversal of 40840752 is 25704804.

40840752 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 (40840753) 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 3 ways as a sum of consecutive naturals, for example, 425377 + ... + 425472.

It is an arithmetic number, because the mean of its divisors is an integer number (5275270).

Almost surely, 2^40840752 is an apocalyptic number.

It is an amenable number.

40840752 is an abundant number, since it is smaller than the sum of its proper divisors (64664648).

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

40840752 is a wasteful number, since it uses less digits than its factorization.

40840752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850860 (or 850854 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 40840752 is about 6390.6769594465. The cubic root of 40840752 is about 344.3747043760.

The spelling of 40840752 in words is "forty million, eight hundred forty thousand, seven hundred fifty-two".