40242041 has 4 divisors (see below), whose sum is σ = 45990912. Its totient is φ = 34493172.

The previous prime is 40241989. The next prime is 40242079. The reversal of 40242041 is 14024204.

40242041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40242041 - 2¹⁸ = 39979897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244041) 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, 2874425 + ... + 2874438.

It is an arithmetic number, because the mean of its divisors is an integer number (11497728).

Almost surely, 2^40242041 is an apocalyptic number.

It is an amenable number.

40242041 is a deficient number, since it is larger than the sum of its proper divisors (5748871).

40242041 is an equidigital number, since it uses as much as digits as its factorization.

40242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748870.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40242041 is about 6343.6614821411. The cubic root of 40242041 is about 342.6836097939.

Adding to 40242041 its reverse (14024204), we get a palindrome (54266245).

The spelling of 40242041 in words is "forty million, two hundred forty-two thousand, forty-one".