1280676343828 has 12 divisors (see below), whose sum is σ = 2561352687712. Its totient is φ = 548861290200.

The previous prime is 1280676343819. The next prime is 1280676343861. The reversal of 1280676343828 is 8283436760821.

It is a happy number.

1280676343828 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22869220398 + ... + 22869220453.

Almost surely, 2^{1280676343828} is an apocalyptic number.

It is an amenable number.

1280676343828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1280676343828 is a wasteful number, since it uses less digits than its factorization.

1280676343828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45738440862 (or 45738440860 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 1280676343828 in words is "one trillion, two hundred eighty billion, six hundred seventy-six million, three hundred forty-three thousand, eight hundred twenty-eight".