40532312 has 8 divisors (see below), whose sum is σ = 75998100. Its totient is φ = 20266152.

The previous prime is 40532287. The next prime is 40532329. The reversal of 40532312 is 21323504.

It is a happy number.

40532312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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, 2533262 + ... + 2533277.

Almost surely, 2^40532312 is an apocalyptic number.

It is an amenable number.

40532312 is a deficient number, since it is larger than the sum of its proper divisors (35465788).

40532312 is a wasteful number, since it uses less digits than its factorization.

40532312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066545 (or 5066541 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40532312 is about 6366.4991950051. The cubic root of 40532312 is about 343.5055769000.

Adding to 40532312 its reverse (21323504), we get a palindrome (61855816).

The spelling of 40532312 in words is "forty million, five hundred thirty-two thousand, three hundred twelve".