40310242 has 24 divisors (see below), whose sum is σ = 72244764. Its totient is φ = 16807392.

The previous prime is 40310227. The next prime is 40310287. The reversal of 40310242 is 24201304.

40310242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40309801 + 441 = 6349^2 + 21^2 .

It is a super-2 number, since 2×40310242² = 3249831220197128, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1933 + ... + 9184.

Almost surely, 2^40310242 is an apocalyptic number.

40310242 is a deficient number, since it is larger than the sum of its proper divisors (31934522).

40310242 is a wasteful number, since it uses less digits than its factorization.

40310242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170 (or 11163 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40310242 is about 6349.0347297837. The cubic root of 40310242 is about 342.8770904895.

Adding to 40310242 its reverse (24201304), we get a palindrome (64511546).

The spelling of 40310242 in words is "forty million, three hundred ten thousand, two hundred forty-two".