40140030404242 has 16 divisors (see below), whose sum is σ = 60312267041400. Its totient is φ = 20035942162432.

The previous prime is 40140030404203. The next prime is 40140030404281. The reversal of 40140030404242 is 24240403004104.

It is an interprime number because it is at equal distance from previous prime (40140030404203) and next prime (40140030404281).

It can be written as a sum of positive squares in 4 ways, for example, as 39341007162081 + 799023242161 = 6272241^2 + 893881^2 .

It is a super-2 number, since 2×40140030404242² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40140030404242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160403634 + ... + 160653682.

Almost surely, 2^{40140030404242} is an apocalyptic number.

40140030404242 is a deficient number, since it is larger than the sum of its proper divisors (20172236637158).

40140030404242 is a wasteful number, since it uses less digits than its factorization.

40140030404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385997.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40140030404242 its reverse (24240403004104), we get a palindrome (64380433408346).

The spelling of 40140030404242 in words is "forty trillion, one hundred forty billion, thirty million, four hundred four thousand, two hundred forty-two".