40234342 has 32 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 17984640.

The previous prime is 40234331. The next prime is 40234387. The reversal of 40234342 is 24343204.

40234342 is nontrivially palindromic in base 4.

It is a super-3 number, since 3×40234342³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61863 + ... + 62509.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^40234342 is an apocalyptic number.

40234342 is the 4012-nd heptagonal number.

40234342 is a deficient number, since it is larger than the sum of its proper divisors (26950298).

40234342 is a wasteful number, since it uses less digits than its factorization.

40234342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40234342 is about 6343.0546269128. The cubic root of 40234342 is about 342.6617546285.

Adding to 40234342 its reverse (24343204), we get a palindrome (64577546).

The spelling of 40234342 in words is "forty million, two hundred thirty-four thousand, three hundred forty-two".