2780303055280 has 20 divisors (see below), whose sum is σ = 6464204603712. Its totient is φ = 1112121222080.

The previous prime is 2780303055253. The next prime is 2780303055337. The reversal of 2780303055280 is 825503030872.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17376894016 + ... + 17376894175.

Almost surely, 2^{2780303055280} is an apocalyptic number.

2780303055280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2780303055280 is an abundant number, since it is smaller than the sum of its proper divisors (3683901548432).

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

2780303055280 is a wasteful number, since it uses less digits than its factorization.

2780303055280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34753788204 (or 34753788198 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 2780303055280 in words is "two trillion, seven hundred eighty billion, three hundred three million, fifty-five thousand, two hundred eighty".