40066828 has 24 divisors (see below), whose sum is σ = 73416672. Its totient is φ = 19096704.

The previous prime is 40066811. The next prime is 40066837. The reversal of 40066828 is 82866004.

40066828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40066793 and 40066802.

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 7 ways as a sum of consecutive naturals, for example, 35976 + ... + 37072.

It is an arithmetic number, because the mean of its divisors is an integer number (3059028).

Almost surely, 2^40066828 is an apocalyptic number.

It is an amenable number.

40066828 is a deficient number, since it is larger than the sum of its proper divisors (33349844).

40066828 is a wasteful number, since it uses less digits than its factorization.

40066828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 40066828 is about 6329.8363327972. The cubic root of 40066828 is about 342.1855404890.

The spelling of 40066828 in words is "forty million, sixty-six thousand, eight hundred twenty-eight".