2838780130000 has 100 divisors (see below), whose sum is σ = 7109970284340. Its totient is φ = 1096356352000.

The previous prime is 2838780129979. The next prime is 2838780130031. The reversal of 2838780130000 is 310878382.

2838780130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 2380651500096 + 458128629904 = 1542936^2 + 676852^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4604449 + ... + 5184448.

Almost surely, 2^{2838780130000} is an apocalyptic number.

2838780130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2838780130000 is an abundant number, since it is smaller than the sum of its proper divisors (4271190154340).

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

2838780130000 is an equidigital number, since it uses as much as digits as its factorization.

2838780130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788954 (or 9788933 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 2838780130000 in words is "two trillion, eight hundred thirty-eight billion, seven hundred eighty million, one hundred thirty thousand".