2858144891880 has 256 divisors, whose sum is σ = 9292435488000. Its totient is φ = 700816416768.

The previous prime is 2858144891879. The next prime is 2858144891881. The reversal of 2858144891880 is 881984418582.

It is a happy number.

2858144891880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2858144891879) and next prime (2858144891881).

It is not an unprimeable number, because it can be changed into a prime (2858144891881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34461822 + ... + 34544658.

It is an arithmetic number, because the mean of its divisors is an integer number (36298576125).

Almost surely, 2^{2858144891880} is an apocalyptic number.

2858144891880 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 2858144891880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4646217744000).

2858144891880 is an abundant number, since it is smaller than the sum of its proper divisors (6434290596120).

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

2858144891880 is a wasteful number, since it uses less digits than its factorization.

2858144891880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83316 (or 83312 counting only the distinct ones).

The product of its (nonzero) digits is 47185920, while the sum is 66.

The spelling of 2858144891880 in words is "two trillion, eight hundred fifty-eight billion, one hundred forty-four million, eight hundred ninety-one thousand, eight hundred eighty".