1728068515458 has 16 divisors (see below), whose sum is σ = 3456817299936. Its totient is φ = 575909460320.

The previous prime is 1728068515457. The next prime is 1728068515489. The reversal of 1728068515458 is 8545158608271.

It is not an unprimeable number, because it can be changed into a prime (1728068515457) 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 in 7 ways as a sum of consecutive naturals, for example, 28311516 + ... + 28372487.

It is an arithmetic number, because the mean of its divisors is an integer number (216051081246).

Almost surely, 2^{1728068515458} is an apocalyptic number.

1728068515458 is an abundant number, since it is smaller than the sum of its proper divisors (1728748784478).

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

1728068515458 is a wasteful number, since it uses less digits than its factorization.

1728068515458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56689089.

The product of its (nonzero) digits is 21504000, while the sum is 60.

The spelling of 1728068515458 in words is "one trillion, seven hundred twenty-eight billion, sixty-eight million, five hundred fifteen thousand, four hundred fifty-eight".