40317242 has 8 divisors (see below), whose sum is σ = 69115296. Its totient is φ = 17278812.

The previous prime is 40317241. The next prime is 40317253. The reversal of 40317242 is 24271304.

40317242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40317241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439888 + ... + 1439915.

It is an arithmetic number, because the mean of its divisors is an integer number (8639412).

Almost surely, 2^40317242 is an apocalyptic number.

40317242 is a deficient number, since it is larger than the sum of its proper divisors (28798054).

40317242 is a wasteful number, since it uses less digits than its factorization.

40317242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879812.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40317242 is about 6349.5859707543. The cubic root of 40317242 is about 342.8969365683.

Adding to 40317242 its reverse (24271304), we get a palindrome (64588546).

The spelling of 40317242 in words is "forty million, three hundred seventeen thousand, two hundred forty-two".