68363365408 has 48 divisors (see below), whose sum is σ = 145305291096. Its totient is φ = 31473561600.

The previous prime is 68363365363. The next prime is 68363365423. The reversal of 68363365408 is 80456336386.

It can be written as a sum of positive squares in 4 ways, for example, as 67439934864 + 923430544 = 259692^2 + 30388^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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 7 ways as a sum of consecutive naturals, for example, 38091 + ... + 371722.

Almost surely, 2^68363365408 is an apocalyptic number.

It is an amenable number.

68363365408 is an abundant number, since it is smaller than the sum of its proper divisors (76941925688).

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

68363365408 is a wasteful number, since it uses less digits than its factorization.

68363365408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410237 (or 410229 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 68363365408 in words is "sixty-eight billion, three hundred sixty-three million, three hundred sixty-five thousand, four hundred eight".