40343214 has 16 divisors (see below), whose sum is σ = 83289600. Its totient is φ = 13013880.

The previous prime is 40343207. The next prime is 40343239. The reversal of 40343214 is 41234304.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108264 + ... + 108635.

It is an arithmetic number, because the mean of its divisors is an integer number (5205600).

Almost surely, 2^40343214 is an apocalyptic number.

40343214 is an abundant number, since it is smaller than the sum of its proper divisors (42946386).

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

40343214 is a wasteful number, since it uses less digits than its factorization.

40343214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216935.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40343214 is about 6351.6308142083. The cubic root of 40343214 is about 342.9705511242.

Adding to 40343214 its reverse (41234304), we get a palindrome (81577518).

The spelling of 40343214 in words is "forty million, three hundred forty-three thousand, two hundred fourteen".