1280679005824 has 32 divisors (see below), whose sum is σ = 2583648331200. Its totient is φ = 632233934592.

The previous prime is 1280679005813. The next prime is 1280679005849. The reversal of 1280679005824 is 4285009760821.

It is a tau number, because it is divible by the number of its divisors (32).

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, 63314602 + ... + 63334825.

It is an arithmetic number, because the mean of its divisors is an integer number (80739010350).

Almost surely, 2^{1280679005824} is an apocalyptic number.

It is an amenable number.

1280679005824 is an abundant number, since it is smaller than the sum of its proper divisors (1302969325376).

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

1280679005824 is an equidigital number, since it uses as much as digits as its factorization.

1280679005824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126649520 (or 126649508 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 1280679005824 in words is "one trillion, two hundred eighty billion, six hundred seventy-nine million, five thousand, eight hundred twenty-four".