128732400710488 has 32 divisors (see below), whose sum is σ = 252232238223360. Its totient is φ = 61478570466720.

The previous prime is 128732400710461. The next prime is 128732400710491. The reversal of 128732400710488 is 884017004237821.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 506119320 + ... + 506373607.

It is an arithmetic number, because the mean of its divisors is an integer number (7882257444480).

Almost surely, 2^{128732400710488} is an apocalyptic number.

It is an amenable number.

128732400710488 is a deficient number, since it is larger than the sum of its proper divisors (123499837512872).

128732400710488 is a wasteful number, since it uses less digits than its factorization.

128732400710488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012493647 (or 1012493643 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 128732400710488 in words is "one hundred twenty-eight trillion, seven hundred thirty-two billion, four hundred million, seven hundred ten thousand, four hundred eighty-eight".