40052842 has 16 divisors (see below), whose sum is σ = 62000640. Its totient is φ = 19395792.

The previous prime is 40052827. The next prime is 40052843. The reversal of 40052842 is 24825004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40052843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5983 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (3875040).

Almost surely, 2^40052842 is an apocalyptic number.

40052842 is a deficient number, since it is larger than the sum of its proper divisors (21947798).

40052842 is a wasteful number, since it uses less digits than its factorization.

40052842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 40052842 is about 6328.7314684698. The cubic root of 40052842 is about 342.1457206499.

Adding to 40052842 its reverse (24825004), we get a palindrome (64877846).

The spelling of 40052842 in words is "forty million, fifty-two thousand, eight hundred forty-two".