68026652494400 has 42 divisors (see below), whose sum is σ = 167388081797970. Its totient is φ = 27210660997120.

The previous prime is 68026652494139. The next prime is 68026652494477. The reversal of 68026652494400 is 449425662086.

It can be written as a sum of positive squares in 3 ways, for example, as 1295790635584 + 66730861858816 = 1138328^2 + 8168896^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21258327305 + ... + 21258330504.

Almost surely, 2^{68026652494400} is an apocalyptic number.

It is an amenable number.

68026652494400 is an abundant number, since it is smaller than the sum of its proper divisors (99361429303570).

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

68026652494400 is a wasteful number, since it uses less digits than its factorization.

68026652494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42516657831 (or 42516657816 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 68026652494400 in words is "sixty-eight trillion, twenty-six billion, six hundred fifty-two million, four hundred ninety-four thousand, four hundred".