1028542730664 has 16 divisors (see below), whose sum is σ = 2571356826720. Its totient is φ = 342847576880.

The previous prime is 1028542730647. The next prime is 1028542730717. The reversal of 1028542730664 is 4660372458201.

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 3 ways as a sum of consecutive naturals, for example, 21427973532 + ... + 21427973579.

It is an arithmetic number, because the mean of its divisors is an integer number (160709801670).

Almost surely, 2^{1028542730664} is an apocalyptic number.

It is an amenable number.

1028542730664 is an abundant number, since it is smaller than the sum of its proper divisors (1542814096056).

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

1028542730664 is a wasteful number, since it uses less digits than its factorization.

1028542730664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42855947120 (or 42855947116 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 1028542730664 in words is "one trillion, twenty-eight billion, five hundred forty-two million, seven hundred thirty thousand, six hundred sixty-four".