2103404828256 has 192 divisors, whose sum is σ = 6252799795200. Its totient is φ = 687673179648.

The previous prime is 2103404828237. The next prime is 2103404828299. The reversal of 2103404828256 is 6528284043012.

2103404828256 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 40 + 482 + 82 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181651075 + ... + 181662653.

It is an arithmetic number, because the mean of its divisors is an integer number (32566665600).

Almost surely, 2^{2103404828256} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103404828256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126399897600).

2103404828256 is an abundant number, since it is smaller than the sum of its proper divisors (4149394966944).

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

2103404828256 is a wasteful number, since it uses less digits than its factorization.

2103404828256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15618 (or 15604 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 2103404828256 in words is "two trillion, one hundred three billion, four hundred four million, eight hundred twenty-eight thousand, two hundred fifty-six".