4185205530 has 128 divisors (see below), whose sum is σ = 11346739200. Its totient is φ = 978777600.

The previous prime is 4185205483. The next prime is 4185205567. The reversal of 4185205530 is 355025814.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4185205491 and 4185205500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5820511 + ... + 5821229.

It is an arithmetic number, because the mean of its divisors is an integer number (88646400).

Almost surely, 2^4185205530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4185205530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673369600).

4185205530 is an abundant number, since it is smaller than the sum of its proper divisors (7161533670).

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

4185205530 is a wasteful number, since it uses less digits than its factorization.

4185205530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 4185205530 is about 64693.1644766277. The cubic root of 4185205530 is about 1611.5319869952.

The spelling of 4185205530 in words is "four billion, one hundred eighty-five million, two hundred five thousand, five hundred thirty".