4085425680 has 160 divisors (see below), whose sum is σ = 14492715264. Its totient is φ = 932610048.

The previous prime is 4085425549. The next prime is 4085425691. The reversal of 4085425680 is 865245804.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 2406592 + ... + 2408288.

Almost surely, 2^4085425680 is an apocalyptic number.

4085425680 is a gapful number since it is divisible by the number (40) 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 4085425680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7246357632).

4085425680 is an abundant number, since it is smaller than the sum of its proper divisors (10407289584).

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

4085425680 is a wasteful number, since it uses less digits than its factorization.

4085425680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 4085425680 is about 63917.3347379254. The cubic root of 4085425680 is about 1598.6219488668.

The spelling of 4085425680 in words is "four billion, eighty-five million, four hundred twenty-five thousand, six hundred eighty".