40660214 has 16 divisors (see below), whose sum is σ = 70357248. Its totient is φ = 17262312.

The previous prime is 40660211. The next prime is 40660219. The reversal of 40660214 is 41206604.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40660214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660211) 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, 12074 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (4397328).

Almost surely, 2^40660214 is an apocalyptic number.

40660214 is a deficient number, since it is larger than the sum of its proper divisors (29697034).

40660214 is a wasteful number, since it uses less digits than its factorization.

40660214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27259.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40660214 is about 6376.5362070641. The cubic root of 40660214 is about 343.8665145964.

Adding to 40660214 its reverse (41206604), we get a palindrome (81866818).

The spelling of 40660214 in words is "forty million, six hundred sixty thousand, two hundred fourteen".