2855043828 has 192 divisors, whose sum is σ = 9404989440. Its totient is φ = 728611200.

The previous prime is 2855043827. The next prime is 2855043833. The reversal of 2855043828 is 8283405582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855043827) 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, 299983 + ... + 309353.

It is an arithmetic number, because the mean of its divisors is an integer number (48984320).

Almost surely, 2^2855043828 is an apocalyptic number.

2855043828 is a gapful number since it is divisible by the number (28) 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 2855043828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4702494720).

2855043828 is an abundant number, since it is smaller than the sum of its proper divisors (6549945612).

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

2855043828 is a wasteful number, since it uses less digits than its factorization.

2855043828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435 (or 9427 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 2855043828 is about 53432.6101552226. The cubic root of 2855043828 is about 1418.6358366275.

The spelling of 2855043828 in words is "two billion, eight hundred fifty-five million, forty-three thousand, eight hundred twenty-eight".