40020014 has 16 divisors (see below), whose sum is σ = 63091248. Its totient is φ = 19014912.

The previous prime is 40020011. The next prime is 40020017. The reversal of 40020014 is 41002004.

It is an interprime number because it is at equal distance from previous prime (40020011) and next prime (40020017).

It is a junction number, because it is equal to n+sod(n) for n = 40019977 and 40020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020011) by changing a digit.

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, 3107 + ... + 9470.

It is an arithmetic number, because the mean of its divisors is an integer number (3943203).

Almost surely, 2^40020014 is an apocalyptic number.

40020014 is a deficient number, since it is larger than the sum of its proper divisors (23071234).

40020014 is a wasteful number, since it uses less digits than its factorization.

40020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40020014 is about 6326.1373680944. The cubic root of 40020014 is about 342.0522189225.

Adding to 40020014 its reverse (41002004), we get a palindrome (81022018).

The spelling of 40020014 in words is "forty million, twenty thousand, fourteen".