40235632 has 20 divisors (see below), whose sum is σ = 78574336. Its totient is φ = 19958400.

The previous prime is 40235627. The next prime is 40235633. The reversal of 40235632 is 23653204.

It is a happy number.

40235632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40235597 and 40235606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235633) 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, 7869 + ... + 11932.

Almost surely, 2^40235632 is an apocalyptic number.

It is an amenable number.

40235632 is a deficient number, since it is larger than the sum of its proper divisors (38338704).

40235632 is a wasteful number, since it uses less digits than its factorization.

40235632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19936 (or 19930 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40235632 is about 6343.1563121210. The cubic root of 40235632 is about 342.6654167483.

Adding to 40235632 its reverse (23653204), we get a palindrome (63888836).

The spelling of 40235632 in words is "forty million, two hundred thirty-five thousand, six hundred thirty-two".