40336242 has 16 divisors (see below), whose sum is σ = 81456960. Its totient is φ = 13314672.

The previous prime is 40336229. The next prime is 40336243. The reversal of 40336242 is 24263304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40336243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32017 + ... + 33252.

It is an arithmetic number, because the mean of its divisors is an integer number (5091060).

Almost surely, 2^40336242 is an apocalyptic number.

40336242 is an abundant number, since it is smaller than the sum of its proper divisors (41120718).

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

40336242 is a wasteful number, since it uses less digits than its factorization.

40336242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65377.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40336242 is about 6351.0819550688. The cubic root of 40336242 is about 342.9507929195.

Adding to 40336242 its reverse (24263304), we get a palindrome (64599546).

The spelling of 40336242 in words is "forty million, three hundred thirty-six thousand, two hundred forty-two".