68044510771488 has 72 divisors (see below), whose sum is σ = 193701683343168. Its totient is φ = 22658047961472.

The previous prime is 68044510771459. The next prime is 68044510771493. The reversal of 68044510771488 is 88417701544086.

68044510771488 is a `hidden beast` number, since 6 + 8 + 0 + 4 + 4 + 510 + 7 + 71 + 48 + 8 = 666.

68044510771488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×68044510771488² (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 (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121885756 + ... + 122442747.

It is an arithmetic number, because the mean of its divisors is an integer number (2690301157544).

Almost surely, 2^{68044510771488} is an apocalyptic number.

It is an amenable number.

68044510771488 is an abundant number, since it is smaller than the sum of its proper divisors (125657172571680).

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

68044510771488 is a wasteful number, since it uses less digits than its factorization.

68044510771488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244329486 (or 244329475 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 68044510771488 in words is "sixty-eight trillion, forty-four billion, five hundred ten million, seven hundred seventy-one thousand, four hundred eighty-eight".