28660912430000 has 50 divisors (see below), whose sum is σ = 69390935108484. Its totient is φ = 11464364968000.

The previous prime is 28660912429957. The next prime is 28660912430027. The reversal of 28660912430000 is 3421906682.

28660912430000 is digitally balanced in base 6, 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 (50).

It is a self number, because there is not a number n which added to its sum of digits gives 28660912430000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1433035622 + ... + 1433055621.

Almost surely, 2^{28660912430000} is an apocalyptic number.

28660912430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28660912430000 is an abundant number, since it is smaller than the sum of its proper divisors (40730022678484).

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

28660912430000 is an equidigital number, since it uses as much as digits as its factorization.

28660912430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866091271 (or 2866091250 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 28660912430000 in words is "twenty-eight trillion, six hundred sixty billion, nine hundred twelve million, four hundred thirty thousand".