68828068452 has 144 divisors (see below), whose sum is σ = 192069858176. Its totient is φ = 19053619200.

The previous prime is 68828068433. The next prime is 68828068501. The reversal of 68828068452 is 25486082886.

It is a junction number, because it is equal to n+sod(n) for n = 68828068392 and 68828068401.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1812177 + ... + 1849767.

Almost surely, 2^68828068452 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 68828068452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96034929088).

68828068452 is an abundant number, since it is smaller than the sum of its proper divisors (123241789724).

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

68828068452 is a wasteful number, since it uses less digits than its factorization.

68828068452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37730 (or 37717 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 68828068452 in words is "sixty-eight billion, eight hundred twenty-eight million, sixty-eight thousand, four hundred fifty-two".