2858855380 has 96 divisors (see below), whose sum is σ = 6639978240. Its totient is φ = 1030149120.

The previous prime is 2858855369. The next prime is 2858855383. The reversal of 2858855380 is 835588582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858855383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544327 + ... + 549553.

It is an arithmetic number, because the mean of its divisors is an integer number (69166440).

Almost surely, 2^2858855380 is an apocalyptic number.

2858855380 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 2858855380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319989120).

2858855380 is an abundant number, since it is smaller than the sum of its proper divisors (3781122860).

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

2858855380 is a wasteful number, since it uses less digits than its factorization.

2858855380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329 (or 5327 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 52.

The square root of 2858855380 is about 53468.2651672934. The cubic root of 2858855380 is about 1419.2668601914.

The spelling of 2858855380 in words is "two billion, eight hundred fifty-eight million, eight hundred fifty-five thousand, three hundred eighty".