1278368104880 has 40 divisors (see below), whose sum is σ = 3008015568432. Its totient is φ = 505186429184.

The previous prime is 1278368104879. The next prime is 1278368104883. The reversal of 1278368104880 is 884018638721.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1278368104883) 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, 96256019 + ... + 96269298.

Almost surely, 2^{1278368104880} is an apocalyptic number.

1278368104880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1278368104880 is an abundant number, since it is smaller than the sum of its proper divisors (1729647463552).

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

1278368104880 is a wasteful number, since it uses less digits than its factorization.

1278368104880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192525413 (or 192525407 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 1278368104880 in words is "one trillion, two hundred seventy-eight billion, three hundred sixty-eight million, one hundred four thousand, eight hundred eighty".