4085555804 has 72 divisors (see below), whose sum is σ = 8408494080. Its totient is φ = 1729474560.

The previous prime is 4085555783. The next prime is 4085555809.

4085555804 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085555809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795557 + ... + 800675.

It is an arithmetic number, because the mean of its divisors is an integer number (116784640).

Almost surely, 2^4085555804 is an apocalyptic number.

4085555804 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4085555804 is an abundant number, since it is smaller than the sum of its proper divisors (4322938276).

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

4085555804 is a wasteful number, since it uses less digits than its factorization.

4085555804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5246 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The square root of 4085555804 is about 63918.3526383464. The cubic root of 4085555804 is about 1598.6389211394.

The spelling of 4085555804 in words is "four billion, eighty-five million, five hundred fifty-five thousand, eight hundred four".