42562990864 has 15 divisors (see below), whose sum is σ = 82467393717. Its totient is φ = 21281082816.

The previous prime is 42562990859. The next prime is 42562990901. The reversal of 42562990864 is 46809926524.

The square root of 42562990864 is 206308.

It is a perfect power (a square), and thus also a powerful number.

42562990864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22458019600 + 20104971264 = 149860^2 + 141792^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 799444 + ... + 851020.

Almost surely, 2^42562990864 is an apocalyptic number.

42562990864 is the 206308-th square number.

It is an amenable number.

42562990864 is a deficient number, since it is larger than the sum of its proper divisors (39904402853).

42562990864 is an frugal number, since it uses more digits than its factorization.

42562990864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103162 (or 51579 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 42562990864 in words is "forty-two billion, five hundred sixty-two million, nine hundred ninety thousand, eight hundred sixty-four".