40020214 has 24 divisors (see below), whose sum is σ = 65484720. Its totient is φ = 18334368.

The previous prime is 40020191. The next prime is 40020221. The reversal of 40020214 is 41202004.

40020214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 40020194 and 40020203.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 56092 + ... + 56800.

It is an arithmetic number, because the mean of its divisors is an integer number (2728530).

Almost surely, 2^40020214 is an apocalyptic number.

40020214 is a deficient number, since it is larger than the sum of its proper divisors (25464506).

40020214 is a wasteful number, since it uses less digits than its factorization.

40020214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40020214 is about 6326.1531755088. The cubic root of 40020214 is about 342.0527887235.

Adding to 40020214 its reverse (41202004), we get a palindrome (81222218).

The spelling of 40020214 in words is "forty million, twenty thousand, two hundred fourteen".