2678637711280 has 40 divisors (see below), whose sum is σ = 6228272583792. Its totient is φ = 1071379401984.

The previous prime is 2678637711259. The next prime is 2678637711289. The reversal of 2678637711280 is 821177368762.

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 (2678637711289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35979 + ... + 2314858.

Almost surely, 2^{2678637711280} is an apocalyptic number.

2678637711280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678637711280 is an abundant number, since it is smaller than the sum of its proper divisors (3549634872512).

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

2678637711280 is a wasteful number, since it uses less digits than its factorization.

2678637711280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365093 (or 2365087 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 2678637711280 in words is "two trillion, six hundred seventy-eight billion, six hundred thirty-seven million, seven hundred eleven thousand, two hundred eighty".