4005212532 has 24 divisors (see below), whose sum is σ = 9450504000. Its totient is φ = 1320069696.

The previous prime is 4005212501. The next prime is 4005212537. The reversal of 4005212532 is 2352125004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005212537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874032 + ... + 1876167.

It is an arithmetic number, because the mean of its divisors is an integer number (393771000).

Almost surely, 2^4005212532 is an apocalyptic number.

It is an amenable number.

4005212532 is an abundant number, since it is smaller than the sum of its proper divisors (5445291468).

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

4005212532 is a wasteful number, since it uses less digits than its factorization.

4005212532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750295 (or 3750293 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4005212532 is about 63286.7484707502. The cubic root of 4005212532 is about 1588.0902842328.

Adding to 4005212532 its reverse (2352125004), we get a palindrome (6357337536).

The spelling of 4005212532 in words is "four billion, five million, two hundred twelve thousand, five hundred thirty-two".