40043132 has 12 divisors (see below), whose sum is σ = 70696416. Its totient is φ = 19844160.

The previous prime is 40043119. The next prime is 40043141. The reversal of 40043132 is 23134004.

It is a self number, because there is not a number n which added to its sum of digits gives 40043132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43844 + ... + 44747.

It is an arithmetic number, because the mean of its divisors is an integer number (5891368).

Almost surely, 2^40043132 is an apocalyptic number.

It is an amenable number.

40043132 is a deficient number, since it is larger than the sum of its proper divisors (30653284).

40043132 is a wasteful number, since it uses less digits than its factorization.

40043132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88708 (or 88706 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40043132 is about 6327.9642856135. The cubic root of 40043132 is about 342.1180696495.

Adding to 40043132 its reverse (23134004), we get a palindrome (63177136).

The spelling of 40043132 in words is "forty million, forty-three thousand, one hundred thirty-two".