10000043402042 has 4 divisors (see below), whose sum is σ = 15000065103066. Its totient is φ = 5000021701020.

The previous prime is 10000043402033. The next prime is 10000043402047. The reversal of 10000043402042 is 24020434000001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9848933166601 + 151110235441 = 3138301^2 + 388729^2 .

It is not an unprimeable number, because it can be changed into a prime (10000043402047) by changing a digit.

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 as a sum of consecutive naturals, namely, 2500010850509 + ... + 2500010850512.

Almost surely, 2^{10000043402042} is an apocalyptic number.

10000043402042 is a deficient number, since it is larger than the sum of its proper divisors (5000021701024).

10000043402042 is an equidigital number, since it uses as much as digits as its factorization.

10000043402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000021701023.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10000043402042 its reverse (24020434000001), we get a palindrome (34020477402043).

The spelling of 10000043402042 in words is "ten trillion, forty-three million, four hundred two thousand, forty-two".