2981858417776 has 120 divisors (see below), whose sum is σ = 6934955445456. Its totient is φ = 1237504988160.

The previous prime is 2981858417753. The next prime is 2981858417803. The reversal of 2981858417776 is 6777148581892.

It is a junction number, because it is equal to n+sod(n) for n = 2981858417699 and 2981858417708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5877100 + ... + 6364276.

Almost surely, 2^{2981858417776} 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 2981858417776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467477722728).

2981858417776 is an abundant number, since it is smaller than the sum of its proper divisors (3953097027680).

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

2981858417776 is a wasteful number, since it uses less digits than its factorization.

2981858417776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487447 (or 487434 counting only the distinct ones).

The product of its digits is 379330560, while the sum is 73.

The spelling of 2981858417776 in words is "two trillion, nine hundred eighty-one billion, eight hundred fifty-eight million, four hundred seventeen thousand, seven hundred seventy-six".