68288400002 has 8 divisors (see below), whose sum is σ = 108458047116. Its totient is φ = 32135717632.

The previous prime is 68288400001. The next prime is 68288400029. The reversal of 68288400002 is 20000488286.

68288400002 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 2 ways, for example, as 64572400321 + 3715999681 = 254111^2 + 60959^2 .

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 (68288400001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004241143 + ... + 1004241210.

Almost surely, 2^68288400002 is an apocalyptic number.

68288400002 is a deficient number, since it is larger than the sum of its proper divisors (40169647114).

68288400002 is a wasteful number, since it uses less digits than its factorization.

68288400002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008482372.

The product of its (nonzero) digits is 49152, while the sum is 38.

Adding to 68288400002 its reverse (20000488286), we get a palindrome (88288888288).

The spelling of 68288400002 in words is "sixty-eight billion, two hundred eighty-eight million, four hundred thousand, two".