40489952 has 12 divisors (see below), whose sum is σ = 79714656. Its totient is φ = 20244960.

The previous prime is 40489859. The next prime is 40489957. The reversal of 40489952 is 25998404.

40489952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40489957) 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 as a sum of consecutive naturals, namely, 632624 + ... + 632687.

It is an arithmetic number, because the mean of its divisors is an integer number (6642888).

Almost surely, 2^40489952 is an apocalyptic number.

It is an amenable number.

40489952 is a deficient number, since it is larger than the sum of its proper divisors (39224704).

40489952 is a wasteful number, since it uses less digits than its factorization.

40489952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265321 (or 1265313 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 40489952 is about 6363.1715362703. The cubic root of 40489952 is about 343.3858701980.

The spelling of 40489952 in words is "forty million, four hundred eighty-nine thousand, nine hundred fifty-two".