40501232 has 20 divisors (see below), whose sum is σ = 79644456. Its totient is φ = 19947840.

The previous prime is 40501231. The next prime is 40501267. The reversal of 40501232 is 23210504.

It is a self number, because there is not a number n which added to its sum of digits gives 40501232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17819 + ... + 19962.

Almost surely, 2^40501232 is an apocalyptic number.

It is an amenable number.

40501232 is a deficient number, since it is larger than the sum of its proper divisors (39143224).

40501232 is a wasteful number, since it uses less digits than its factorization.

40501232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37856 (or 37850 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40501232 is about 6364.0578250044. The cubic root of 40501232 is about 343.4177549232.

Adding to 40501232 its reverse (23210504), we get a palindrome (63711736).

The spelling of 40501232 in words is "forty million, five hundred one thousand, two hundred thirty-two".