40021014 has 16 divisors (see below), whose sum is σ = 87318720. Its totient is φ = 12127560.

The previous prime is 40021001. The next prime is 40021021. The reversal of 40021014 is 41012004.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 303124 + ... + 303255.

It is an arithmetic number, because the mean of its divisors is an integer number (5457420).

Almost surely, 2^40021014 is an apocalyptic number.

40021014 is an abundant number, since it is smaller than the sum of its proper divisors (47297706).

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

40021014 is a wasteful number, since it uses less digits than its factorization.

40021014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606395.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40021014 is about 6326.2164047715. The cubic root of 40021014 is about 342.0550679084.

Adding to 40021014 its reverse (41012004), we get a palindrome (81033018).

The spelling of 40021014 in words is "forty million, twenty-one thousand, fourteen".