642310067360 has 96 divisors (see below), whose sum is σ = 1634389302672. Its totient is φ = 237130997760.

The previous prime is 642310067359. The next prime is 642310067393. The reversal of 642310067360 is 63760013246.

It can be written as a sum of positive squares in 8 ways, for example, as 7948792336 + 634361275024 = 89156^2 + 796468^2 .

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 23534042 + ... + 23561318.

Almost surely, 2^642310067360 is an apocalyptic number.

It is an amenable number.

642310067360 is an abundant number, since it is smaller than the sum of its proper divisors (992079235312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642310067360 is a wasteful number, since it uses less digits than its factorization.

642310067360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38626 (or 38618 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 642310067360 in words is "six hundred forty-two billion, three hundred ten million, sixty-seven thousand, three hundred sixty".