2855043043200 has 144 divisors (see below), whose sum is σ = 10187447961600. Its totient is φ = 761344803840.

The previous prime is 2855043043147. The next prime is 2855043043201. The reversal of 2855043043200 is 23403405582.

2855043043200 is a `hidden beast` number, since 2 + 8 + 550 + 43 + 0 + 43 + 20 + 0 = 666.

2855043043200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855043043201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49537920 + ... + 49595519.

It is an arithmetic number, because the mean of its divisors is an integer number (70746166400).

Almost surely, 2^{2855043043200} is an apocalyptic number.

2855043043200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2855043043200 is an abundant number, since it is smaller than the sum of its proper divisors (7332404918400).

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

2855043043200 is a wasteful number, since it uses less digits than its factorization.

2855043043200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99133469 (or 99133449 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2855043043200 its reverse (23403405582), we get a palindrome (2878446448782).

The spelling of 2855043043200 in words is "two trillion, eight hundred fifty-five billion, forty-three million, forty-three thousand, two hundred".