42021416326 has 4 divisors (see below), whose sum is σ = 63032124492. Its totient is φ = 21010708162.

The previous prime is 42021416317. The next prime is 42021416347. The reversal of 42021416326 is 62361412024.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 10505354080 + ... + 10505354083.

It is an arithmetic number, because the mean of its divisors is an integer number (15758031123).

Almost surely, 2^42021416326 is an apocalyptic number.

42021416326 is a deficient number, since it is larger than the sum of its proper divisors (21010708166).

42021416326 is a wasteful number, since it uses less digits than its factorization.

42021416326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010708165.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 42021416326 in words is "forty-two billion, twenty-one million, four hundred sixteen thousand, three hundred twenty-six".