40005332 has 12 divisors (see below), whose sum is σ = 70377216. Its totient is φ = 19897560.

The previous prime is 40005331. The next prime is 40005337. The reversal of 40005332 is 23350004.

40005332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40005332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005331) 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, 25418 + ... + 26945.

It is an arithmetic number, because the mean of its divisors is an integer number (5864768).

Almost surely, 2^40005332 is an apocalyptic number.

It is an amenable number.

40005332 is a deficient number, since it is larger than the sum of its proper divisors (30371884).

40005332 is a wasteful number, since it uses less digits than its factorization.

40005332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52558 (or 52556 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 40005332 is about 6324.9768379023. The cubic root of 40005332 is about 342.0103846464.

Adding to 40005332 its reverse (23350004), we get a palindrome (63355336).

The spelling of 40005332 in words is "forty million, five thousand, three hundred thirty-two".