68420204288 has 18 divisors (see below), whose sum is σ = 136573142664. Its totient is φ = 34210102016.

The previous prime is 68420204287. The next prime is 68420204291. The reversal of 68420204288 is 88240202486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68420204287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133632956 + ... + 133633467.

Almost surely, 2^68420204288 is an apocalyptic number.

It is an amenable number.

68420204288 is a deficient number, since it is larger than the sum of its proper divisors (68152938376).

68420204288 is an equidigital number, since it uses as much as digits as its factorization.

68420204288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267266439 (or 267266425 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 68420204288 in words is "sixty-eight billion, four hundred twenty million, two hundred four thousand, two hundred eighty-eight".