40242123043130 has 16 divisors (see below), whose sum is σ = 72455225729544. Its totient is φ = 16092537161280.

The previous prime is 40242123043127. The next prime is 40242123043139. The reversal of 40242123043130 is 3134032124204.

40242123043130 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 4 ways, for example, as 20778946742449 + 19463176300681 = 4558393^2 + 4411709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40242123043093 and 40242123043102.

It is not an unprimeable number, because it can be changed into a prime (40242123043139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538967801 + ... + 539042460.

Almost surely, 2^{40242123043130} is an apocalyptic number.

40242123043130 is a deficient number, since it is larger than the sum of its proper divisors (32213102686414).

40242123043130 is a wasteful number, since it uses less digits than its factorization.

40242123043130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078014001.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 40242123043130 its reverse (3134032124204), we get a palindrome (43376155167334).

The spelling of 40242123043130 in words is "forty trillion, two hundred forty-two billion, one hundred twenty-three million, forty-three thousand, one hundred thirty".