3640336005 has 16 divisors (see below), whose sum is σ = 5934435840. Its totient is φ = 1904879808.

The previous prime is 3640335997. The next prime is 3640336009. The reversal of 3640336005 is 5006330463.

It is not a de Polignac number, because 3640336005 - 2³ = 3640335997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640336009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288725 + ... + 2290314.

It is an arithmetic number, because the mean of its divisors is an integer number (370902240).

Almost surely, 2^3640336005 is an apocalyptic number.

It is an amenable number.

3640336005 is a deficient number, since it is larger than the sum of its proper divisors (2294099835).

3640336005 is a wasteful number, since it uses less digits than its factorization.

3640336005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579100.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 3640336005 is about 60335.1970660576. The cubic root of 3640336005 is about 1538.3216669623.

Adding to 3640336005 its reverse (5006330463), we get a palindrome (8646666468).

The spelling of 3640336005 in words is "three billion, six hundred forty million, three hundred thirty-six thousand, five".