40843242 has 24 divisors (see below), whose sum is σ = 96539040. Its totient is φ = 12376680.

The previous prime is 40843241. The next prime is 40843259. The reversal of 40843242 is 24234804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40843241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102942 + ... + 103337.

It is an arithmetic number, because the mean of its divisors is an integer number (4022460).

Almost surely, 2^40843242 is an apocalyptic number.

40843242 is an abundant number, since it is smaller than the sum of its proper divisors (55695798).

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

40843242 is a wasteful number, since it uses less digits than its factorization.

40843242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206298 (or 206295 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 40843242 is about 6390.8717715191. The cubic root of 40843242 is about 344.3817029052.

The spelling of 40843242 in words is "forty million, eight hundred forty-three thousand, two hundred forty-two".