68202276408 has 384 divisors, whose sum is σ = 223531776000. Its totient is φ = 18765686016.

The previous prime is 68202276397. The next prime is 68202276413. The reversal of 68202276408 is 80467220286.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 77767266 + ... + 77768142.

It is an arithmetic number, because the mean of its divisors is an integer number (582114000).

Almost surely, 2^68202276408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68202276408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111765888000).

68202276408 is an abundant number, since it is smaller than the sum of its proper divisors (155329499592).

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

68202276408 is a wasteful number, since it uses less digits than its factorization.

68202276408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 68202276408 in words is "sixty-eight billion, two hundred two million, two hundred seventy-six thousand, four hundred eight".