1280478019288 has 16 divisors (see below), whose sum is σ = 2585580616080. Its totient is φ = 590989855008.

The previous prime is 1280478019277. The next prime is 1280478019367. The reversal of 1280478019288 is 8829108740821.

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 3 ways as a sum of consecutive naturals, for example, 6156144220 + ... + 6156144427.

It is an arithmetic number, because the mean of its divisors is an integer number (161598788505).

Almost surely, 2^{1280478019288} is an apocalyptic number.

It is an amenable number.

1280478019288 is an abundant number, since it is smaller than the sum of its proper divisors (1305102596792).

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

1280478019288 is a wasteful number, since it uses less digits than its factorization.

1280478019288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312288666 (or 12312288662 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 58.

The spelling of 1280478019288 in words is "one trillion, two hundred eighty billion, four hundred seventy-eight million, nineteen thousand, two hundred eighty-eight".