4085287500 has 288 divisors, whose sum is σ = 13859112960. Its totient is φ = 917280000.

The previous prime is 4085287487. The next prime is 4085287537. The reversal of 4085287500 is 57825804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20737402 + ... + 20737598.

It is an arithmetic number, because the mean of its divisors is an integer number (48121920).

Almost surely, 2^4085287500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4085287500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6929556480).

4085287500 is an abundant number, since it is smaller than the sum of its proper divisors (9773825460).

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

4085287500 is a wasteful number, since it uses less digits than its factorization.

4085287500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 4085287500 is about 63916.2538013610. The cubic root of 4085287500 is about 1598.6039254434.

The spelling of 4085287500 in words is "four billion, eighty-five million, two hundred eighty-seven thousand, five hundred".