42816562 has 8 divisors (see below), whose sum is σ = 65718576. Its totient is φ = 20910372.

The previous prime is 42816559. The next prime is 42816563. The reversal of 42816562 is 26561824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42816563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248848 + ... + 249019.

It is an arithmetic number, because the mean of its divisors is an integer number (8214822).

Almost surely, 2^42816562 is an apocalyptic number.

42816562 is a deficient number, since it is larger than the sum of its proper divisors (22902014).

42816562 is a wasteful number, since it uses less digits than its factorization.

42816562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497912.

The product of its digits is 23040, while the sum is 34.

The square root of 42816562 is about 6543.4365588733. The cubic root of 42816562 is about 349.8409127342.

The spelling of 42816562 in words is "forty-two million, eight hundred sixteen thousand, five hundred sixty-two".