4005012152 has 8 divisors (see below), whose sum is σ = 7509397800. Its totient is φ = 2002506072.

The previous prime is 4005012119. The next prime is 4005012161. The reversal of 4005012152 is 2512105004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4005012152² = 32080244675335342208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250313252 + ... + 250313267.

It is an arithmetic number, because the mean of its divisors is an integer number (938674725).

Almost surely, 2^4005012152 is an apocalyptic number.

It is an amenable number.

4005012152 is a deficient number, since it is larger than the sum of its proper divisors (3504385648).

4005012152 is a wasteful number, since it uses less digits than its factorization.

4005012152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500626525 (or 500626521 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 4005012152 is about 63285.1653391219. The cubic root of 4005012152 is about 1588.0637998423.

Adding to 4005012152 its reverse (2512105004), we get a palindrome (6517117156).

The spelling of 4005012152 in words is "four billion, five million, twelve thousand, one hundred fifty-two".