4085184280 has 32 divisors (see below), whose sum is σ = 9217735200. Its totient is φ = 1629438976.

The previous prime is 4085184277. The next prime is 4085184287. The reversal of 4085184280 is 824815804.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085184287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130540 + ... + 158779.

It is an arithmetic number, because the mean of its divisors is an integer number (288054225).

Almost surely, 2^4085184280 is an apocalyptic number.

4085184280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4085184280 is an abundant number, since it is smaller than the sum of its proper divisors (5132550920).

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

4085184280 is a wasteful number, since it uses less digits than its factorization.

4085184280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289683 (or 289679 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 4085184280 is about 63915.4463334177. The cubic root of 4085184280 is about 1598.5904617408.

The spelling of 4085184280 in words is "four billion, eighty-five million, one hundred eighty-four thousand, two hundred eighty".