40531352 has 16 divisors (see below), whose sum is σ = 77038440. Its totient is φ = 19987776.

The previous prime is 40531333. The next prime is 40531363. The reversal of 40531352 is 25313504.

40531352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 34118 + ... + 35285.

Almost surely, 2^40531352 is an apocalyptic number.

It is an amenable number.

40531352 is a deficient number, since it is larger than the sum of its proper divisors (36507088).

40531352 is a wasteful number, since it uses less digits than its factorization.

40531352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69482 (or 69478 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40531352 is about 6366.4237999052. The cubic root of 40531352 is about 343.5028649242.

Adding to 40531352 its reverse (25313504), we get a palindrome (65844856).

The spelling of 40531352 in words is "forty million, five hundred thirty-one thousand, three hundred fifty-two".