40320214 has 16 divisors (see below), whose sum is σ = 66502656. Its totient is φ = 18181800.

The previous prime is 40320211. The next prime is 40320221. The reversal of 40320214 is 41202304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422 + ... + 10009.

It is an arithmetic number, because the mean of its divisors is an integer number (4156416).

Almost surely, 2^40320214 is an apocalyptic number.

40320214 is a deficient number, since it is larger than the sum of its proper divisors (26182442).

40320214 is a wasteful number, since it uses less digits than its factorization.

40320214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14571.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40320214 is about 6349.8199974487. The cubic root of 40320214 is about 342.9053619517.

Adding to 40320214 its reverse (41202304), we get a palindrome (81522518).

The spelling of 40320214 in words is "forty million, three hundred twenty thousand, two hundred fourteen".