40343528 has 16 divisors (see below), whose sum is σ = 75718500. Its totient is φ = 20151936.

The previous prime is 40343521. The next prime is 40343543. The reversal of 40343528 is 82534304.

It can be written as a sum of positive squares in 2 ways, for example, as 31114084 + 9229444 = 5578^2 + 3038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40343528.

It is not an unprimeable number, because it can be changed into a prime (40343521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9668 + ... + 13196.

Almost surely, 2^40343528 is an apocalyptic number.

It is an amenable number.

40343528 is a deficient number, since it is larger than the sum of its proper divisors (35374972).

40343528 is a wasteful number, since it uses less digits than its factorization.

40343528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4960 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 40343528 is about 6351.6555322215. The cubic root of 40343528 is about 342.9714409267.

The spelling of 40343528 in words is "forty million, three hundred forty-three thousand, five hundred twenty-eight".