40528684 has 18 divisors (see below), whose sum is σ = 82505220. Its totient is φ = 17369352.

The previous prime is 40528673. The next prime is 40528699. The reversal of 40528684 is 48682504.

40528684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 103194 + ... + 103585.

Almost surely, 2^40528684 is an apocalyptic number.

It is an amenable number.

40528684 is an abundant number, since it is smaller than the sum of its proper divisors (41976536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40528684 is a wasteful number, since it uses less digits than its factorization.

40528684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206797 (or 206788 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 40528684 is about 6366.2142596680. The cubic root of 40528684 is about 343.4953276663.

The spelling of 40528684 in words is "forty million, five hundred twenty-eight thousand, six hundred eighty-four".