40242074 has 16 divisors (see below), whose sum is σ = 62029800. Its totient is φ = 19568640.

The previous prime is 40241989. The next prime is 40242079. The reversal of 40242074 is 47024204.

It can be written as a sum of positive squares in 4 ways, for example, as 37027225 + 3214849 = 6085^2 + 1793^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40242079) 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, 36272 + ... + 37364.

Almost surely, 2^40242074 is an apocalyptic number.

40242074 is a deficient number, since it is larger than the sum of its proper divisors (21787726).

40242074 is a wasteful number, since it uses less digits than its factorization.

40242074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40242074 is about 6343.6640831620. The cubic root of 40242074 is about 342.6837034651.

Adding to 40242074 its reverse (47024204), we get a palindrome (87266278).

The spelling of 40242074 in words is "forty million, two hundred forty-two thousand, seventy-four".