40532432 has 10 divisors (see below), whose sum is σ = 78531618. Its totient is φ = 20266208.

The previous prime is 40532423. The next prime is 40532449. The reversal of 40532432 is 23423504.

40532432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36675136 + 3857296 = 6056^2 + 1964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40532398 and 40532407.

It is a congruent number.

It is an unprimeable number.

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, 1266623 + ... + 1266654.

Almost surely, 2^40532432 is an apocalyptic number.

It is an amenable number.

40532432 is a deficient number, since it is larger than the sum of its proper divisors (37999186).

40532432 is a wasteful number, since it uses less digits than its factorization.

40532432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533285 (or 2533279 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40532432 is about 6366.5086193298. The cubic root of 40532432 is about 343.5059158940.

Adding to 40532432 its reverse (23423504), we get a palindrome (63955936).

The spelling of 40532432 in words is "forty million, five hundred thirty-two thousand, four hundred thirty-two".