2861241840000 has 320 divisors, whose sum is σ = 10552426830000. Its totient is φ = 762997248000.

The previous prime is 2861241839977. The next prime is 2861241840053. The reversal of 2861241840000 is 481421682.

2861241840000 is a `hidden beast` number, since 2 + 8 + 6 + 1 + 241 + 8 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 1497676 + ... + 2822324.

Almost surely, 2^{2861241840000} is an apocalyptic number.

2861241840000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2861241840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5276213415000).

2861241840000 is an abundant number, since it is smaller than the sum of its proper divisors (7691184990000).

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

2861241840000 is an equidigital number, since it uses as much as digits as its factorization.

2861241840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324692 (or 1324659 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 2861241840000 in words is "two trillion, eight hundred sixty-one billion, two hundred forty-one million, eight hundred forty thousand".