2838505500 has 144 divisors (see below), whose sum is σ = 9263741760. Its totient is φ = 730800000.

The previous prime is 2838505477. The next prime is 2838505547. The reversal of 2838505500 is 55058382.

2838505500 is a `hidden beast` number, since 28 + 3 + 85 + 0 + 550 + 0 = 666.

It is a super-2 number, since 2×2838505500² = 16114226947060500000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119625 + ... + 141375.

It is an arithmetic number, because the mean of its divisors is an integer number (64331540).

Almost surely, 2^2838505500 is an apocalyptic number.

2838505500 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 2838505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4631870880).

2838505500 is an abundant number, since it is smaller than the sum of its proper divisors (6425236260).

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

2838505500 is a wasteful number, since it uses less digits than its factorization.

2838505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21805 (or 21790 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 2838505500 is about 53277.6266363283. The cubic root of 2838505500 is about 1415.8913004273.

The spelling of 2838505500 in words is "two billion, eight hundred thirty-eight million, five hundred five thousand, five hundred".