4005765032 has 16 divisors (see below), whose sum is σ = 7511591700. Its totient is φ = 2002673920.

The previous prime is 4005764999. The next prime is 4005765083. The reversal of 4005765032 is 2305675004.

It can be written as a sum of positive squares in 2 ways, for example, as 3603120676 + 402644356 = 60026^2 + 20066^2 .

It is a super-2 number, since 2×4005765032² = 32092306983187922048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4005765032.

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, 81782 + ... + 121242.

Almost surely, 2^4005765032 is an apocalyptic number.

It is an amenable number.

4005765032 is a deficient number, since it is larger than the sum of its proper divisors (3505826668).

4005765032 is a wasteful number, since it uses less digits than its factorization.

4005765032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52156 (or 52152 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 4005765032 is about 63291.1133730479. The cubic root of 4005765032 is about 1588.1633040399.

The spelling of 4005765032 in words is "four billion, five million, seven hundred sixty-five thousand, thirty-two".