4005000344 has 16 divisors (see below), whose sum is σ = 7511962920. Its totient is φ = 2001810240.

The previous prime is 4005000341. The next prime is 4005000359. The reversal of 4005000344 is 4430005004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005000341) 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 3 ways as a sum of consecutive naturals, for example, 61142 + ... + 108389.

Almost surely, 2^4005000344 is an apocalyptic number.

It is an amenable number.

4005000344 is a deficient number, since it is larger than the sum of its proper divisors (3506962576).

4005000344 is a wasteful number, since it uses less digits than its factorization.

4005000344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172490 (or 172486 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4005000344 is about 63285.0720470476. The cubic root of 4005000344 is about 1588.0622391416.

Adding to 4005000344 its reverse (4430005004), we get a palindrome (8435005348).

The spelling of 4005000344 in words is "four billion, five million, three hundred forty-four", and thus it is an aban number.