40252041 has 12 divisors (see below), whose sum is σ = 59713732. Its totient is φ = 26109216.

The previous prime is 40252033. The next prime is 40252063. The reversal of 40252041 is 14025204.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 16281225 = 4896^2 + 4035^2 .

It is not a de Polignac number, because 40252041 - 2³ = 40252033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40252021) 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 11 ways as a sum of consecutive naturals, for example, 60106 + ... + 60771.

Almost surely, 2^40252041 is an apocalyptic number.

It is an amenable number.

40252041 is a deficient number, since it is larger than the sum of its proper divisors (19461691).

40252041 is a wasteful number, since it uses less digits than its factorization.

40252041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120920 (or 120917 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40252041 is about 6344.4496215196. The cubic root of 40252041 is about 342.7119926509.

Adding to 40252041 its reverse (14025204), we get a palindrome (54277245).

The spelling of 40252041 in words is "forty million, two hundred fifty-two thousand, forty-one".