40234142 has 16 divisors (see below), whose sum is σ = 65236752. Its totient is φ = 18500160.

The previous prime is 40234127. The next prime is 40234151. The reversal of 40234142 is 24143204.

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, 4553 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (4077297).

Almost surely, 2^40234142 is an apocalyptic number.

40234142 is a deficient number, since it is larger than the sum of its proper divisors (25002610).

40234142 is a wasteful number, since it uses less digits than its factorization.

40234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40234142 is about 6343.0388616183. The cubic root of 40234142 is about 342.6611868510.

Adding to 40234142 its reverse (24143204), we get a palindrome (64377346).

The spelling of 40234142 in words is "forty million, two hundred thirty-four thousand, one hundred forty-two".