4005141956 has 6 divisors (see below), whose sum is σ = 7008998430. Its totient is φ = 2002570976.

The previous prime is 4005141953. The next prime is 4005141967. The reversal of 4005141956 is 6591415004.

It can be written as a sum of positive squares in only one way, i.e., 2141838400 + 1863303556 = 46280^2 + 43166^2 .

It is not an unprimeable number, because it can be changed into a prime (4005141953) 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 as a sum of consecutive naturals, namely, 500642741 + ... + 500642748.

It is an arithmetic number, because the mean of its divisors is an integer number (1168166405).

Almost surely, 2^4005141956 is an apocalyptic number.

It is an amenable number.

4005141956 is a deficient number, since it is larger than the sum of its proper divisors (3003856474).

4005141956 is a wasteful number, since it uses less digits than its factorization.

4005141956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001285493 (or 1001285491 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 4005141956 is about 63286.1908792116. The cubic root of 4005141956 is about 1588.0809562452.

The spelling of 4005141956 in words is "four billion, five million, one hundred forty-one thousand, nine hundred fifty-six".