42888886042 has 4 divisors (see below), whose sum is σ = 64333329066. Its totient is φ = 21444443020.

The previous prime is 42888886039. The next prime is 42888886057. The reversal of 42888886042 is 24068888824.

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., 33174615321 + 9714270721 = 182139^2 + 98561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10722221509 + ... + 10722221512.

Almost surely, 2^42888886042 is an apocalyptic number.

42888886042 is a deficient number, since it is larger than the sum of its proper divisors (21444443024).

42888886042 is a wasteful number, since it uses less digits than its factorization.

42888886042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444443023.

The product of its (nonzero) digits is 12582912, while the sum is 58.

The spelling of 42888886042 in words is "forty-two billion, eight hundred eighty-eight million, eight hundred eighty-six thousand, forty-two".