40343211 has 16 divisors (see below), whose sum is σ = 60088320. Its totient is φ = 26751240.

The previous prime is 40343207. The next prime is 40343239. The reversal of 40343211 is 11234304.

It is not a de Polignac number, because 40343211 - 2² = 40343207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40343291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246 + ... + 9068.

It is an arithmetic number, because the mean of its divisors is an integer number (3755520).

Almost surely, 2^40343211 is an apocalyptic number.

40343211 is a deficient number, since it is larger than the sum of its proper divisors (19745109).

40343211 is a wasteful number, since it uses less digits than its factorization.

40343211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023 (or 8017 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40343211 is about 6351.6305780484. The cubic root of 40343211 is about 342.9705426229.

Adding to 40343211 its reverse (11234304), we get a palindrome (51577515).

The spelling of 40343211 in words is "forty million, three hundred forty-three thousand, two hundred eleven".