2859255084420 has 576 divisors, whose sum is σ = 10636912016640. Its totient is φ = 635503325184.

The previous prime is 2859255084409. The next prime is 2859255084443. The reversal of 2859255084420 is 244805529582.

2859255084420 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 2 + 550 + 84 + 4 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 191 ways as a sum of consecutive naturals, for example, 158459919 + ... + 158477961.

It is an arithmetic number, because the mean of its divisors is an integer number (18466861140).

Almost surely, 2^{2859255084420} is an apocalyptic number.

2859255084420 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 2859255084420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5318456008320).

2859255084420 is an abundant number, since it is smaller than the sum of its proper divisors (7777656932220).

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

2859255084420 is a wasteful number, since it uses less digits than its factorization.

2859255084420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18241 (or 18226 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 2859255084420 in words is "two trillion, eight hundred fifty-nine billion, two hundred fifty-five million, eighty-four thousand, four hundred twenty".