68028837624552 has 256 divisors, whose sum is σ = 213028052336640. Its totient is φ = 17658897371136.

The previous prime is 68028837624533. The next prime is 68028837624563. The reversal of 68028837624552 is 25542673882086.

It is a super-2 number, since 2×68028837624552² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10885803 + ... + 15954885.

It is an arithmetic number, because the mean of its divisors is an integer number (832140829440).

Almost surely, 2^{68028837624552} 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 68028837624552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106514026168320).

68028837624552 is an abundant number, since it is smaller than the sum of its proper divisors (144999214712088).

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

68028837624552 is a wasteful number, since it uses less digits than its factorization.

68028837624552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069280 (or 5069276 counting only the distinct ones).

The product of its (nonzero) digits is 309657600, while the sum is 66.

The spelling of 68028837624552 in words is "sixty-eight trillion, twenty-eight billion, eight hundred thirty-seven million, six hundred twenty-four thousand, five hundred fifty-two".