4085434236 has 48 divisors (see below), whose sum is σ = 10275751584. Its totient is φ = 1255858176.

The previous prime is 4085434193. The next prime is 4085434253. The reversal of 4085434236 is 6324345804.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 4085434194 and 4085434203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159196 + ... + 183068.

It is an arithmetic number, because the mean of its divisors is an integer number (214078158).

Almost surely, 2^4085434236 is an apocalyptic number.

It is an amenable number.

4085434236 is an abundant number, since it is smaller than the sum of its proper divisors (6190317348).

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

4085434236 is a wasteful number, since it uses less digits than its factorization.

4085434236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990 (or 24988 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 4085434236 is about 63917.4016680904. The cubic root of 4085434236 is about 1598.6230648501.

The spelling of 4085434236 in words is "four billion, eighty-five million, four hundred thirty-four thousand, two hundred thirty-six".