42434140024442 has 16 divisors (see below), whose sum is σ = 64292464838664. Its totient is φ = 21003390600000.

The previous prime is 42434140024417. The next prime is 42434140024483. The reversal of 42434140024442 is 24442004143424.

It can be written as a sum of positive squares in 4 ways, for example, as 42429316860841 + 4823163601 = 6513779^2 + 69449^2 .

It is a super-2 number, since 2×42434140024442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42434140024396 and 42434140024405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16868309 + ... + 19219992.

Almost surely, 2^{42434140024442} is an apocalyptic number.

42434140024442 is a deficient number, since it is larger than the sum of its proper divisors (21858324814222).

42434140024442 is a wasteful number, since it uses less digits than its factorization.

42434140024442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36094225.

The product of its (nonzero) digits is 393216, while the sum is 38.

Adding to 42434140024442 its reverse (24442004143424), we get a palindrome (66876144167866).

The spelling of 42434140024442 in words is "forty-two trillion, four hundred thirty-four billion, one hundred forty million, twenty-four thousand, four hundred forty-two".