4085420752 has 20 divisors (see below), whose sum is σ = 9046289056. Its totient is φ = 1750894560.

The previous prime is 4085420681. The next prime is 4085420761. The reversal of 4085420752 is 2570245804.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18238374 + ... + 18238597.

Almost surely, 2^4085420752 is an apocalyptic number.

It is an amenable number.

4085420752 is an abundant number, since it is smaller than the sum of its proper divisors (4960868304).

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

4085420752 is a wasteful number, since it uses less digits than its factorization.

4085420752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36476986 (or 36476980 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 4085420752 is about 63917.2961881211. The cubic root of 4085420752 is about 1598.6213060932.

The spelling of 4085420752 in words is "four billion, eighty-five million, four hundred twenty thousand, seven hundred fifty-two".