68135500233400 has 24 divisors (see below), whose sum is σ = 158415038043120. Its totient is φ = 27254200093280.

The previous prime is 68135500233389. The next prime is 68135500233457. The reversal of 68135500233400 is 433200553186.

68135500233400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170338750384 + ... + 170338750783.

It is an arithmetic number, because the mean of its divisors is an integer number (6600626585130).

Almost surely, 2^{68135500233400} is an apocalyptic number.

It is an amenable number.

68135500233400 is an abundant number, since it is smaller than the sum of its proper divisors (90279537809720).

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

68135500233400 is a wasteful number, since it uses less digits than its factorization.

68135500233400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340677501183 (or 340677501174 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 68135500233400 its reverse (433200553186), we get a palindrome (68568700786586).

The spelling of 68135500233400 in words is "sixty-eight trillion, one hundred thirty-five billion, five hundred million, two hundred thirty-three thousand, four hundred".