1280495804928 has 80 divisors (see below), whose sum is σ = 3521363594496. Its totient is φ = 413063147520.

The previous prime is 1280495804923. The next prime is 1280495804933. The reversal of 1280495804928 is 8294085940821.

It is an interprime number because it is at equal distance from previous prime (1280495804923) and next prime (1280495804933).

It is not an unprimeable number, because it can be changed into a prime (1280495804923) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13398451 + ... + 13493682.

Almost surely, 2^{1280495804928} is an apocalyptic number.

It is an amenable number.

1280495804928 is an abundant number, since it is smaller than the sum of its proper divisors (2240867789568).

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

1280495804928 is an equidigital number, since it uses as much as digits as its factorization.

1280495804928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26892185 (or 26892169 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 1280495804928 in words is "one trillion, two hundred eighty billion, four hundred ninety-five million, eight hundred four thousand, nine hundred twenty-eight".