40234311 has 24 divisors (see below), whose sum is σ = 64611456. Its totient is φ = 23958720.

The previous prime is 40234307. The next prime is 40234331. The reversal of 40234311 is 11343204.

It is not a de Polignac number, because 40234311 - 2² = 40234307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1920 + ... + 9173.

It is an arithmetic number, because the mean of its divisors is an integer number (2692144).

Almost surely, 2^40234311 is an apocalyptic number.

40234311 is a deficient number, since it is larger than the sum of its proper divisors (24377145).

40234311 is a wasteful number, since it uses less digits than its factorization.

40234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143 (or 11140 counting only the distinct ones).

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

The square root of 40234311 is about 6343.0521832947. The cubic root of 40234311 is about 342.6616666231.

Adding to 40234311 its reverse (11343204), we get a palindrome (51577515).

The spelling of 40234311 in words is "forty million, two hundred thirty-four thousand, three hundred eleven".